HomeSupplier Discoveryarrow-rightIndustrial Equipment & Componentsarrow-rightCylindrical Roller Bearingarrow-rightCylindrical Core Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
More
Province & Region
More
about cylindrical core
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

cylindrical core3,000+ factories verified

Hangzhou Careful Electronics Co., Ltd.

3 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Ferrite Core, Nizn Core, Suppression Core, Split Core, Ferrite Bead
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Huzhou Careful Magnetism Co., Ltd. is a technically leading corporation, integrating production, management, research, development and service. Our company was established in 2001, formally known as Huzhou Cifeng Industry Corporation - a key enterprise in Huzhou City. Our company was assessed as "High and New Technology Enterprise in Zhejiang Province". We have more than 20 years of experience in the field, as our boom development, now we own 3 factoies to service more and more clinets. Our company has over 1000 staff members, including 120 management and technology members. Our company has established a technological center. We have automatic magnetic material examination equipment at international level and the most advanced production line in our country. Our company mainly manufactures EMI and DY Magnetic cores with 2 categories and 300 specifications. With an annual output of 6000 tons of soft ferrite core, our company has become the largest production base of EMI core in the country. Our sales value reaches 100 million US dollars. We are also engage in import and export business. More than 60% of our products are exported to Southeast Asia, the USA and Europe. They are widely used in IT and Intelligence Electric appliances, such as IBM, DELL, AOC, DAWOO and Haier Electric appliances. Since the establishment, Careful has gradually set up a complete quality control system and got ISO9001 certification. As to quality management, our company continuously improves management and product quality in order to satisfy customers' needs. Due to excellent quality, our market occupation rate is increasing steadily, and the sales amount increases by 100% year by year. Our company has won a good reputation among customers and become an excellent supplier for many companies. "To pursue the perfection of details, the efficiency of execution" is our slogan. Careful people will work hard with friends from at home and abroad to create a bright future.

Changxing ChaoNeng Technology Co., Ltd.

Main Products:
Ferrite Core Transformer, Magnetic Ferrite Core, Transformer Bobbin, Inductor, Capacitor, Drum Core, Magnetic Rod
Country/Region:
Zhejiang, China
Sample Service:
Sample Available
Company Profile:
Changxing Superenergy Technology Co., Ltd. is a high-tech enterprise. The company is located in Baixian Industrial Park, Changxing County, Zhejiang Province, on the West Bank of Taihu Lake. It has a superior geographical location and convenient transportation. It is a company that integrates development, production and sales. At present, products such as E-type inductors, transformers, H inductor, magnetic ferrite core and skeleton are produced. It can provide customers with various types of complete support and services, reduce the cost of customer development and management of suppliers.

Xiamen Yuxiang Magnetic Materials Technology Co., Ltd.

10 yrs
·Trading Company
Main Products:
Magnetic Materials
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Xiamen Yuxiang Magnetic Materials Technology Co., Ltd. is located in the beautiful coast of southeast sea. Established in 1997, we are an export-oriented enterprise. Now our company becomes an enterprise with advanced technology, owning two factories in China, both of which have their own R&D and QC departments, and are ISO9001: 2000 certified. We also have an office in Xiamen to provide you with prompt export support.

Henan Lindao Filtration Equipment Manufacturing Co., Ltd

Manufacturer/Factory & Trading Company
Main Products:
Water Filter Cartridge, Oil Filter Element, Air Filter Element, Metal Filter Element, Separate Filter Element, Filtration Equipment, Separation Equipment, Air Compressor Filter Element
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
     Henan Lindao Filtration Equipment Manufacturing Co., Ltd. is a professional enterprise that produces and sells filter cartridges and filtration equipment. The company has clean and tidy production workshops, standardized filter cartridge production lines, and a large number of processing equipment. The product quality is high, and it is a first-class filtration equipment supplier in China.

Shanghai Yunnuo Industrial Co., Ltd.

5.0
Main Products:
Ceramic Tube, Ceramic Crucible, Ceramic Rod, Ceramic Plate, Quartz Glass, Ceramic Ignition Electrode, Ceramic Foam Filter, Honeycomb Ceramic, Textile Ceramics, Solenoid Valve
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shanghai Yunnuo Industrial Co., Ltd. is located in Shanghai, China. Our team at yunnuo has the experience to assist you in producing the required items made of hard metal and technical ceramic that will fulfill your most stringent requirements. Our main products as below:

Shandong Wolkang Machinery Equipment Co., Ltd.

5.0
Main Products:
Mining Equipment, Underground Loader, Mining Trucks, Diesel Engine Part, Engine Assembly and Parts, for Deutz Engine Parts, for Volvo Engine Parts, for Cummins Engine Parts, Full Vehicle After-Sales Parts, Generator Set
Country/Region:
Shandong, China
Company Profile:
Shandong Wolkang Machinery Equipment Co., Ltd., headquartered in Jinan, Shandong, is a high-tech enterprise specializing in the research, development, production, and sales of complete vehicles and accessories for underground mining engineering machinery. Leveraging years of technological expertise and deep industry experience, the company has developed into a comprehensive service provider encompassing engineering machinery, underground loaders, ore trucks, complete vehicles, and key accessories. Its product offerings cover the entire supply chain, including engine systems, transmission systems, hydraulic systems, chassis structures, and intelligent control systems. The company provides efficient, reliable, and customized equipment support to mining companies worldwide. Rooted in China, serving the world, the company's business network covers key mining areas in over 30 provinces and cities across China, and it has established strategic partnerships with numerous major mining groups, such as China Minmetals and Zijin Mining. Its products are also exported to mineral-rich regions such as Southeast Asia, Africa, and South America. Through a localized service team and rapid response mechanism, the company offers overseas customers a one-stop solution, from model selection and adaptation to after-sales maintenance. Adhering to its mission of "making mining operations safer and more efficient, " the company is customer-oriented and driven by technological innovation, striving to become a global benchmark in underground mining equipment. In the future, we will continue to deepen our global layout and work with partners to jointly promote the green and intelligent development of the mining industry!

Jaye Heater Technology (Huizhou) Co., Ltd.

5.0
Main Products:
Industrial Heater, Silicone Rubber Heater, Domestic Heating Elements, Machinery Parts, Thermostat, Band Heater, Hot Run Heater, Cartridge Heater, Finned Tubular Heater, Quarts Heater
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jaye Heater Technology has been in the heating elements industry since 2009, and is one of the most trust worthy and professional supplier for various type of heating elements, spare parts and thermostats in China. Our products Mainly include the Home heating elements, industrial heating elements, Flexible silicone heating elements, spare parts and thermostats etc.

Anhui Yuxing Import and Export Co. , Ltd.

5.0
Main Products:
Packaging Supplies, Wooden Box, Packing Core, Fiber Drum
Country/Region:
Anhui, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
The company operates general items:Goods import and export;Daily necessities sales;Office supplies sales;Sporting goods and equipment retail;Hardware products retail;Packaging materials and products sales;Plastic products sales;Rubber products sales;Bamboo products sales;Paper products sales;Clothing retail;Luggage sales;Daily wood products sales;Daily glass products sales;Labor protection supplies sales;Electronic products sales;Lighting sales;Sales of mechanical parts and components;Sales of architectural decoration materials;Sales of metal materials;Sales of instruments;Sales of mechanical equipment;Sales of communication equipment;Sales of toys;Sales of knitted textiles;Sales of daily use ceramic products;Furniture Sales.Anhui Yuxing Import and Export Co., Ltd.Is a company with more rich customer resources and marketing experience, the company was established in 2023, registered capital of 5 million, the company is located in the beautiful ancient Anhui, the company has Marketing Department, network department, service department, comprehensive department, after-sales department, technology department and other existing staff 45 people, in the past few years, through the joint efforts of all employees, Gradually become a professional brand agent, in line with the integrity-based, active development, quality service spirit and professional, intentions, responsible concept began a new era of comprehensive development of Guanxiang, in the exploration of development, in the innovation of the forward.

Pingxiang Bete Ceramics Co., Ltd.

8 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Ceramic Terminal Block, Electrothermal Insulation Ceramic, Structural Ceramic and Precision Ceramic, Textile Ceramic
Country/Region:
Jiangxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Pingxiang Bete Ceramics Co., Ltd., established in 2009, is located in Xiangdong Ceramics Industrial Park, Pingxiang City, Jiangxi Province, a professional manufacturer of ceramic parts in south China. With more than 17 years of dedicated development and manufacturing experience, we have grown into a reliable and professional manufacturer specializing in high-performance industrial ceramic products, integrating R&D, production, processing and sales. Over the years, we have continuously optimized our production system and technical capabilities to meet the increasingly diverse and demanding requirements of global customers.

Shanghai Taixiong Magnetic Industrial Co., Ltd.

15 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Magnetic Separator, Rod Magnet, Grate Magnet, Neodymium Magnet, SmCo Magnet, Pot Magnet, Rubber Coated Magnet
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company is a specialized supplier and manufacturer of permanent magnets and magnetic assemblies, magnetic motors, etc. Our products include permanent magnet, magnetic assembly, magnetic separator, magnetic lifter, lifting magnet, electromagnet, ect. With over 10 years' history, our factory has established and implemented a quality management system in conformity with ISO9001: 2008 standard. All magnet materials and coatings meet the standards of SGS and RoHS. Our factory has passed ISO9000 and TS16949 certificates. Our factory makes high quality magnet to meet our customers' different requirements. Our products sell well in over 50 countries and regions all over the world such as America, the EU, the Middle East, Hong Kong, etc.

Hangzhou Grand Home Textile Co., Ltd.

13 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Pillow, Quilt, Blanket, Mattress, Custon, Mattress Top, Quilt Cover Set, Down Duvet
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hangzhou Grand Home Textile Co Ltd is bedding manufacturing company That prides ourselves on being able to offer the quality products at very Competitive prices. The company located in Xiaoshan Xintang Industry Zone, Which is called hometown of feather and down. It is only one hundred Kilometers away from Shanghai and Ningbo. Our production divisions include The Sewing workshop, finished products workshop, and computer-control Sewing workshop.

Dongguan Lu Chiuan Heating Elements Ind. Co., Ltd.

Main Products:
Electric Heater Element, Heating Element, Cartridge Element, Immersion Heater, Cartridge Heater, Electric Heating Element, Electric Heater Tube, Heater Tube, Electric Heater, Water Heater
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dongguan Luchiuan Electric Heating Tube Co., Ltd. Was founded in 2005. Located in Dongguan, an important manufacturing city, we are a professional manufacturer of electric heating elements integrating R&D, production, sales and import & export.

Baoding Lutu Trading Co., Ltd.

Main Products:
Filter Element, End Cover, Hydraulic Oil Filter Element, Punching Net, Gas Liquid Filter Screen, Stainless Steel Wire Mesh, Knitted Wire Mesh Gasket for USA Market, Stamped Parts Metal Bending Part, Stainless Steel Hydraulic Oil Filter, Perforated Metal Mesh Filter Tube Screen
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
MISSION

Xiamen Innovacera Advanced Materials Co., Ltd.

15 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Metallized Ceramic, Ceramic Heater, Ceramic to Metal Sealing Part, Ceramic Reflector, Alumina Ceramic, Zirconia Ceramic, Boron Nitride, Silicon Nitride, Aluminum Nitride Ceramic, Porous Ceramic, etc.
Country/Region:
Fujian, China
Sample Service:
Sample Available
Company Profile:
Xiamen Innovacera Advanced Materials Co., Ltd. (Innovacera)was established in 2012, it is one of the reliable supplier of advanced ceramic components. With the continuous efforts of research and development as well as strict production quality control and over 10 years of production experience, Innovacera is expert in the manufacture of precision ceramic components and provide of technical ceramic solutions to more than 1000 customers.

Shen Zhen Hong Shen Industrial Co., Ltd.

Country/Region:
Guangdong, China
R&D Capacity:
OEM Service
Company Profile:
Since the establishment of HONGSHEN magnetic in January 1987, we have specialized in developing and manufacturing iron powder cores and high Q Carbonyl Iron and Phenolic coil form production ( Frequency is between 50kHz ~ 250MHz), provided industries worldwide with quality soft magnet cores, such as iron powder cores for EMI filter, fixed inductors and power choke, In July 1995, we opened our China factory where more than eight million pieces cores are produced and shipped to customers every month.

Changsha Lushan Electronic Technology Co., Ltd.

52 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Power Transformer, Single-Phase Transformer, Three-Phase Transformer, Dry Transformer,Distribution Transformer, High-Frequency Transformer, High-Frequency Reactor,DC&AC Line Reactor, Inductor,Choke
Country/Region:
Hunan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
LUSHAN China, founded in 1975, is a manufacturer integrating domestic and foreign high-tech, specializing in the production and development of transformers and reactors.

Shandong Better Intelligent Equipment Co., Ltd.

2 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Mud Pump
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Company Profile:
General project: Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Mechanical equipment research and development; Sales of mechanical equipment; Leasing of construction machinery and equipment; Manufacturing of car washing equipment; Manufacturing of mechanical and electrical equipment; Sales of mining machinery; Sales of construction machinery; Manufacturing of specialized equipment for environmental protection; Sales of specialized machinery for agriculture, forestry, animal husbandry, animal husbandry, and fisheries; Sales of specialized equipment for environmental protection; Sales of agricultural machinery; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of electrical equipment; Sales of mechanical parts and components; Wholesale of automotive spare parts; Sales of plastic products; Sales of rubber products; Sales of electrical accessories; Sales of power electronic components; Retail of motorcycles and spare parts; Tram sales; Electronic product sales; Retail of hardware products; Furniture sales; Sales of office supplies; Electrical equipment repair; Installation services for ordinary mechanical equipment. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law)

Foshan Chuangda Environmental Protection Technology Co., Ltd.

5 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Oxygen Generator, Ozone Generator, Micro-Nano Ceramic Aeration Plate, Ozone Generator Accessories
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Foshan Chuangda Environmental Protection Technology Co., Ltd. is a professional manufacturer of oxygen generators, ozone generators, and micro-nano ceramic aeration plates. We are committed to providing you with a full range of high-quality products, including: Brand-new high-density oxygen generators for aquatic aquaculture (available in models such as 3L, 5L, 10L up to 100L); Ozone generator modules for sewage disinfection and purification (including 20g water-cooled ozone modules, as well as generator accessories such as stainless steel tubes and quartz tubes); And durable high-concentration ozone equipment (with specifications ranging from 1g to 2kg) - a specialized and efficient tool for workshop deodorization and wastewater treatment.

Goldenman Petroleum Equipment Co., Limited

21 yrs·4.5
·Trading Company
Main Products:
Drill Pipe; Heavy-Weight Drill Pipe; Drill Collars; Annular Bop
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Goldenman Petroleum Equipment Co., Ltd. is proudly situated in the picturesque oilfield city of Dongying, nestled in the vibrant Shandong Province of China. Over the course of 18 years in operation, Goldenman has not only solidified its presence in the industry but also established itself as a leading manufacturer and supplier of premium petroleum equipment. We boast our own state-of-the-art factories, where we specialize in crafting an extensive range of drilling strings, valves, Blowout Preventers (BOP), cementing tools, and various other accessories essential for oil drilling rigs. Each of our products is meticulously crafted to adhere to the stringent standards set by API (American Petroleum Institute) and ISO (International Organization for Standardization) certifications, ensuring unparalleled quality and reliability.

Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd.

20 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Tungsten Carbide
Country/Region:
Hunan, China
R&D Capacity:
ODM Service
Company Profile:
Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd is located in Zhuzhou, Hunan Province, which is known as the "Hometown of Cemented Carbide". It is a national high-tech enterprise that has passed ISO9001: 2015 international quality certification system, specializing in manufacturing, research and development of cemented carbide materials and tungsten steel products' raw material, blank production, tungsten steel precision processing and sales one-stop service.

Hangzhou Lanben Trade Co., Ltd.

8 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Ultrasonic Equipment
Country/Region:
Zhejiang, China
Sample Service:
Sample Available
Company Profile:
Rps-sonic, consisted with a couple of young people who love ultrasonic very much. The founding members of RPS-SONIC have an average degree of Bachelor's degree or above. They have been in the ultrasonic industry for more than 5 years and have rich experience in ultrasound. The company's business philosophy is: Do not blindly promote any product, find the most suitable product for customers. So before each order, we will confirm all the details, including application details, capacity, equipment conditions, equipment specific information.

Xiamen Balin New Materials Co., Ltd.

14 yrs·5.0
Main Products:
Magnet, Neodymium Magnet, Ferrite Magnet, Rubber Magnet, Magnetic Assembly, Ferrite Core, AlNiCo Magnet, SmCo Magnet, Magnetic Toy, Magnetic Materials
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Xiamen Balin New Materials Co., Ltd., a distinguished high-tech enterprise specializing in the research, development, production, and marketing of high-performance magnets, was formally founded in 2013 and strategically situated in the vibrant coastal city of Xiamen, China. Nestled in a region renowned for its advanced manufacturing ecosystem, convenient transportation networks, and robust technological innovation atmosphere, Xiamen provides an ideal foundation for Balin's sustained growth and global expansion. Over the past decade, the company has adhered to the core philosophy of "Technology-Driven, Quality-Oriented, " and has steadily evolved into a trusted partner for clients worldwide seeking reliable magnet solutions across diverse industries.

Yancheng Vinson Technology Co., Ltd.

5.0
Main Products:
Cartridge Heater, Immersion Heater, Thermocouple, Silicone Rubber Heater, Pellet Igniter, PTC Heating Element, Hot Runner Coil Heater, Mica Band Heater, Cast Heater, Silicon Nitride Heater
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Yancheng Vinson Technology Co., Ltd is a integrated company which has been operating with a modern enterprise system and integrating domestic, foreign trade and production and sales. The company chief products and sells various efficient saving-energy and green electric heating equipment products such as cartridge heater; Tubular heater. At the same time, if you have any specific requirement, our professional technical team will provide special one-step service that from design to production installation and debugging for you.

Zhengzhou Yugong Construction Machinery Co., Ltd.

4 yrs
·Trading Company
Main Products:
Core Drilling Rig, Excavator Attachment, Spider Crane, Egg Tray Machine
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhengzhou Yugong Construction Machinery Co., Ltd. Located in Zhengzhou, Henan province, China, which is a large engineering machinery manufacturing enterprise focusing on the research and development, production and sale of varied kinds of drilling rigs. Our drilling rigs are widely applied for water well drilling, farm irrigation, geological prospecting, small pile foundation, geothermal air-conditioner and so on. We insist on the strategy of technology research and development. Technical design, material purchasing, precised manufacturing and strict quality inspection are all processed according to the ISO9001 standard.

Dongguan Sinyi Precision Metal Co., Ltd.

10 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Mold Components, Punches and Dies, Ejector Pins, Mechanical Parts, CNC Machining Parts, Punch Press Tooling, Machining Parts, Turret Punch Tooling, Milling Parts, Tooling
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
DongGuan Sinyi Precision Metal Co., Ltd. Was founded in 2000, is a professional manufacturer specialized in producing the precision components for pressing dies, plastic molds, hardware molds and Punch Press Tooling etc. As well manufacturing different precision machinery components and fixtures for industries such as the metal-working, plastics, aerospace, automotive, medical, electronics, Military, Packaging, optical-communication, solar energy, instruments and so on. Today, We have more than 100 sets of high-precision tools and instruments in the company, including CNC working centers, CNC lathes, EDM machines, high-precision ID/od grinding machines, Swiss-made high-precision height gage, projector, and coordinate measuring machine(CMM).

Anhui Liyuan New Energy Co., Ltd.

Manufacturer/Factory & Trading Company
Main Products:
18650 Lithium Battery, Li-ion Battery, Rechargeable Battery
Country/Region:
Anhui, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Anhui Liyuan New Energy Co., Ltd. Was established in April 2019. It is a national high-tech enterprise dedicated to the research and development, production, and sales of cylindrical lithium-ion batteries. Specializing in the manufacturing of high-rate 18650 and 21700 lithium-ion batteries, the company's products serve a wide range of high-end market sectors, including vehicle-mounted power supplies, garden tools, power tools, mobility scooters, portable electronic devices, smart home appliances, emergency lighting systems, and renewable energy storage solutions.

Ningbo Ningji Machinery Technology Co., Ltd

11 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Automotive Parts, Auto Parts, CNC Machining, Hydraulic Fitting, Fastener
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Founded in 2000 and located in Yinzhou District, Ningbo, Zhejiang, China, Ningji Machinery is a professional manufacturer specializing in custom precision CNC machining, CNC turning & milling, and OEM metal component production.

Puyang Yuwei Machinery Co., Ltd.

Main Products:
Spider Crane, Horizontal Directional Drilling Rig, Egg Tray Machine, Rotary Drilling Rig, Core Drilling Rig, Slitting Machine, Hydroseeding Machine, Charging Pile, Excavator Attachments, Generator Set
Country/Region:
Henan, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Puyang Yuwei Machinery Co., Ltd. Located in Zhengzhou, Henan province, China, a subsidiary of Yugong Group, which is a large engineering machinery manufacturing enterprise focusing on the research and development, production and sale of varied kinds of drilling rigs. Our drilling rigs are widely applied for water well drilling, farm irrigation, geological prospecting, small pile foundation, geothermal air-conditioner and so on. We insist on the strategy of technology research and development. Technical design, material purchasing, precised manufacturing and strict quality inspection are all processed according to the ISO9001 standard.