HomeSupplier Discoveryarrow-rightManufacturing & Processing Machineryarrow-rightMixing Equipmentarrow-rightDimensional Control Machine Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
More
Province & Region
More
about dimensional control machine
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

dimensional control machine5,000+ factories verified

HENGSHUI FANGCHEN FRP EQUIPMENT TECHNOLOGY CO., LTD.

18 yrs
·Manufacturer/Factory & Trading Company
Main Products:
FRP Filament Winding Machine, FRP Pipe Winding Machine, FRP Tank Winding Machine
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
HENGSHUI FANGCHEN FRP EQUIPMENT TECHNOLOGY CO., Ltd is located in the beautiful national wetland nature reserve - Hengshui Lake. The Beijing-Kowloon Railway, Shide Railway, Daguang Expressway and Shihuang Expressway pass through the territory, with convenient transportation and developed communication. The company is a member of China Composites Industry Association, a high-tech enterprise specializing in the production of FRP equipment.

Nanjing Xiangkerui International Trade Co., Ltd.

3 yrs
·Trading Company
Main Products:
Hydraulic hose; Hydraulic joint; Hose connection; hydraulic hose crimping machine; Pneumatic One Touch Tube Fitting Quick Connector
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Xianxian Zhonglu Tongda Testing Instrument and Equipment Factory

10 yrs
·Trading Company
Main Products:
Experimental Instruments, Testing Instrument
Country/Region:
Hebei, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Xianxian Middle Road Tongda Testing Instrument Equipment Factory develops, produces, and operates various types of universal testing machines and pressure testing machines, highway instruments, railway instruments, construction instruments, steel reinforcement instruments, geotechnical instruments, cement instruments, concrete instruments, mortar instruments, aggregate instruments, asphalt instruments, emulsified asphalt instruments, roadbed instruments, pavement instruments, durability instruments, non-destructive testing instruments, building energy-saving instruments, wire and cable instruments, safety helmet safety belt instruments, safety net instruments, door and window testing instruments, fire combustion instruments, ceramic instruments, brick and tile instruments, geotextile and geosynthetic material testing instruments, mixing station testing instruments, high-speed railway instruments, waterproofing membrane instruments, water conservancy and hydropower instruments, bridge and tunnel instruments, dam instruments, complete sets of mobile laboratories, various specifications of mobile box houses, and more. The temporary construction packaging room on the construction site is equipped with various material testing and inspection instruments, including engineering testing and inspection equipment!

Dongguan Jaten Instrument Co., Ltd.

22 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Profile Projector, Vision Measuring Machine, Video Measuring Machine, Coordinate Measuring Machine, Glue Dispensing Machine, Optical Comparator, Liquid Dispensing Machine, Hardness Tester, Microscope, Test Chambers
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Dongguan Jaten Instrument Co., Ltd. is a leading company in the field of precision measurement and automation, founded in 2005. Located in Dongguan, Guangdong Province, China, our company specializes in the development and manufacturing of high-quality vision measuring systems, including both manual and fully automated models. These systems are designed to meet the demanding needs of a variety of industries, such as mold manufacturing, injection molding, automotive parts, watch components, stamping parts, and educational and research applications.

Shanghai Shanjia Machinery Equipment Co., Ltd.

16 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Dispensing Machine, Gasket Machine, Glue Sealing Machine
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
We focusing on the research, manufacturing, sales and service of the sealing glue system, commits to providing leading design, services and solutions of the sealing system to manufacturers, system integrators, scientific research institutions and other users, building intelligent manufacturing system, enhance customer competitiveness ahead of time.

Guangdong Yixinfeng Intelligent Equipment Co., Ltd.

17 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Battery Production Equipment
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
GuangDong Yixifeng Intelligent Equipment Co., Ltd (Stock Code 839073) was established in 2009. It is a National high-tech enterprise which mainly research and manufacture both the new energy lithium-ion battery and laminating production equipment. The company office is covered an area of 10000 square meters, the manufacturing factory is covered an area of over 20000 square meters. More than 150 staffs are working in house, include a strong team of more than 30 R&D engineers, 20 after-service engineers and a variety of 40 technicians. Our company's main products indude laser die cutting, high-speed laminating machine, die cutting and laminating integrated machine, hardware die cutting machine, die cutting and slitting integrated machine, fully automatic battery pole piece powder brushing machine and model set PACK line etc. Our company has been devoting to the goal of producing the best lithium-ion battery production equipment, Based on importing the expertise and high-tech equipment from Japan, Korea and Taiwan, we have kept doing research and innovation for more than ten years The technical level and product quality are one of the best in China. We owns 18 invention patents, 59 utility models. 7 appearance patents and 4 software copyrights and the company's own"Yixinfeng Brand as well. The company also has been winning the honor of'Achievements outstanding project award', 'Science Technology Enterprise in Guangdong province, Dongguang Private enterprise of Science Technology", Patent Fostering Enterprise in DG, *Patent pilot enterprise and other qualification titles. We have obtained ISO9001: 2015 quality system certification of safety CE certification and IPR system certification on July 27, 2017, Our lithium battery production equipment has been widely used in the production line of lithium giant, such as ATL, BYD, Lishen, etc. By their unanimous praise, in the industry has a good reputation. Yixinfeng Intelligent Equipment Co., Ltd relies on scientific and technological innovation, seeking benefits from management, development by innovation, survival by quality, continuous improvement, customer satisfaction, mutual benefit and common develo pment. In the product performance always adhere to customer and market-oriented, quality and technology to strive for excellence, improving day by day. As long as you buy and use our equipment, we are lifelong partners, the most loyal friends! Let us work hand in hand to create the brilliant future.

Shandong Tongjia Machinery Co., Ltd.

23 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Mechanical Equipment
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Tongjia Machinery Co., Ltd, located in High-New Technology Industry Development Zone of Jining City, Shandong Province. We are a science, industry and trade integration modern large enterprise group, one of the largest professional manufacturer of plastic machinery in China, Top 3 enterprise of China plastic extrusion machinery industry in 2014, Vice President of China Plastics Machinery Industry Association, Vice President of China plastics Processing Industry Association, the National Key High-Tech Enterprises and China's Patent Star Enterprise.

Zhangjiagang Sino-Tech Machinery Co., Ltd.

15 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Extrusion Blow Molding Machine, PVC Pipe Bending Machine, Plastic Extrusion Machine, Plastic Pulverizer, Plastic Profile Extrusion Machine, Pet Bottle Blow Molding Machine, Plastic Sheet Production Line, Plastic Recyling Machine, Plastic Pelletizing Line, Injection Molding Machine
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Sino-tech Machinery Co., Ltd is a professional manufacturer of extrusion blow molding machine, injection molding machine and pet bottle blow molding machine, plastic recycling&plastic extrusion line and related auxiliary machines in China.

Yunlu Composites (Shanghai) Co., Ltd.

Main Products:
3D Braided Tube, Carbon Fiber Round Tube, Carbon Fiber Product, Carbonfiber Fabric, Composite Material, Three-Dimensional Braided Pipe, Carbon Fiber Braided Pipe, Cfrp, Gfrp, FRP
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Yunlu Composites: Weaving the Future with 3D Braiding Technology

Zhuhai Xiangyi Technology Co., Ltd.

Main Products:
Vision Measuring Machine, Tool Inspection System, Coordinate Measuring Machine, Fixture
Country/Region:
Guangdong, China
R&D Capacity:
OEM Service
Company Profile:
Meaxpert (MXP) is a collective of passionate professionals in the Metrology Industry, each bringing over a decade of experience to the table. Our mission is to develop vision measurement systems that are accurate, reliable, fast, and affordable. At Meaxpert, we believe in simplicity and transparency. Our goal is to offer clear pricing and terms for both our vision measurement systems and services, eliminating the need for lengthy negotiations. When you choose Meaxpert, you choose clarity and efficiency. We heavily invest in technology research and development, supported by our dedicated software and hardware teams. Our hardware is constantly improved through weekly R&D meetings, enhancing its stability, efficiency, and ease of use. On the software side, we focus on developing specialized modules tailored to the unique needs of various sub-industries, simplifying vision measurement system applications and addressing the industry's talent shortage. Perfection is our pursuit, even though perfection itself may be unattainable. We pay meticulous attention to every detail, from surface finishing to individual components. Our commitment to quality starts with rigorous material inspections before production, stringent process control during manufacturing, thorough reliability testing, and precise calibration before shipment.

Yangzhou Nuoya Machinery Co., Ltd.

19 yrs·4.8
·Manufacturer/Factory & Trading Company
Main Products:
Tablet Press, Mixing Machine, Pulverizer Crusher, Charging Machine, Blister Packing Machine, Pharmaceutical Machinery, Dryer, Capsule Filling Machine, Granulator, Filling Packing Machine
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Yangzhou Nuoya Machinery Co., Ltd. is located in Yangzhou, a historic and cultural city. It covers an area of 30, 000+ square meters, with production workshops accounting for 20, 000+ square meters. Equipped with 30+ large-scale CNC machining centers and CNC sheet metal equipment, it provides solid hardware support for efficient production. The company is an integrated technology enterprise integrating R&D, production and related services of pharmaceutical machinery, food machinery and chemical machinery. Adhering to the concept of continuous innovation, Nuoya has cooperated with multiple universities to develop new products, and has dozens of various intermediate and senior technical personnel, injecting continuous impetus into technological research and development.

Guangzhou Sanxin Machinery Co., Ltd.

8 yrs
·Manufacturer/Factory
Main Products:
Automatic linear feed 3D packaging machine, Automatic corner feed 3D packaging machine, Fully automatic pillow packing machine, Automatic L-type sealing and cutting machine, Automatic packing machine,
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
The company has a group of experienced technical talents, strong technical force, and a completeoperating system for design, development, production, installation, and service, serving multiple industries such asdaily chemical, papermaking, food, stationery, and so on. And has passed CE. We are well known for providing the highest quality inpackaging appearance, machine availability and efficiency.

Shandong Chenghang Heavy Industry Co., Ltd.

Main Products:
Chemical Equipment, Pharmaceutical Equipmen, Food Equipment, Environmental Protection Equipment, Laboratory Instruments, Construction Machinery
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Based in Liangshan, Jining, Shandong, we are a professional supplier specializing in high-quality used industrial equipment, rooted in China's renowned "Capital of Used Equipment" - Liangshan Used Equipment Distribution Center. With decades of industry experience and relying on the mature industrial cluster advantages of Liangshan, we are committed to providing cost-effective and reliable used equipment solutions for global customers.

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.

LTB Machinery Co.,ltd

Main Products:
Vacuum Emulsifying Mixer, Liquid Washing Mixer, Filling Machine, Capping Machine, Labeling Machine, Tube Filling Sealing Machine, Water Treatment, Powder Production Line, Perfume Production Line, Cosmetic Production Line
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
LTB Machinery is a leading enterprise in the manufacturing industry, specializing in providing advanced technology and customizable solutions for our clients. With a strong focus on innovation and quality, we strive to exceed our customers' expectations in every aspect of our business.

Jiangsu Xingxing Drying Equipment Co., Ltd.

23 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Paddle Dryer, Spray Dryer, Vacuum Dryer,Fluid Bed Dryer, Belt Dryer‬
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Located in Jiaoxi Town of Changzhou City, well-developed and prosperous Southern Jiangsu "Granary", Jiangsu Xingxing Drying Equipment Co., Ltd is 10 kilometers away from Hu-Ning (Shanghai-Ningjing) expressway Hengshan crossing and Jiangyin Bridge, enjoying the favorable geographical location and convenient transportation by water, land and air.

Sinoped International (Liaoning) Co., Ltd.

9 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Tablet Press Machine, Centrifuge, Cartoning Machine, Liquid Filling Machine, Powder Filling Machine, Drying Machine, Soft Capsule Production Line, Blister Packing Machine, Capsule Filling Machine
Country/Region:
Liaoning, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
LIAOYANG SINOPED INTERNATIONAL Co., Ltd (hereafter called SINOPED) is subordinate to SINOPED (China) LIMITED, and is a manufacturer which integrates the science researching, the fabricating and the trading in one. Our corporation was originated from the first state-owned pharmaceutical machinery plant in China--Liaoyang Pharmaceutical Machinery Plant which was founded in 1947 (Later, it was reorganized as Liaoning Shuanglian Chemical & Pharmaceutical Machinery Co., Ltd), and has been focusing on the developing & manufacturing of centrifugal/ separating machines.

Nanjing Hanyoo Packing Machinery Co., Ltd.

5 yrs·4.0
·Manufacturer/Factory & Trading Company
Main Products:
Blister Packing Machine, Capsule Filling Machine, Tablet Press Machine, Capsule/Tablet Counting Line, Mixing Machine, Granulating Machine, Drying Machine, Powder Filling Machine, Liquid Filling Machine
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Nanjing Hanyoo Packing machinery Co., Ltd. is a high technology enterprise which has strong research, production, sales and service team. We are specialized in providing the first class packaging solution and packaging equipment for food, cosmetics electronics industrials. More than 20years R&D experience in the automation equipment researching and production.

Henan Orange Industry Co., Ltd.

11 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Candy Machinery, Biscuit Machinery, Chocolate Machinery, Meat Machinery, Drying Machinery, Fruit and Vegetable Processing Machinery, Noodle Machinery, Baking Machinery, Egg Making Machine, Pharmaceutical Making Machine
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Henan Orange Industry Co., Ltd. Was established in July 2015 in Yancheng District, Luohe City, Henan Province. As a subsidiary of Luohe Orange Group, the company integrates its own factory operations with foreign trade sales, exercising full-chain control from R&D to production and export.

Henan Geyu Machinery Manufacturing Co., Ltd.

11 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Pipe Benders,Pipe Shrinking Machine Series,Polishing Machine Series,Punching Machine Series,Pipe Cutter, etc
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
WanRong Machinery was founded in 2001, covers an area of more than 10, 000 square meters, is a pipe wire sheet machinery and equipment manufacturer, is committed to pipe wire sheet cold bending, stamping, cutting, rust removal and other industry technology innovation and research and development, continue to bring more advanced pipe sheet processing technology experience for all walks of life.

Henan Methena Intelligent Technology Co., Ltd

5.0
Main Products:
Candy Machinery, Biscuit Machinery, Meat Processing Machinery, Pasta Processing Machinery, Mixing Machinery, Drying Machinery, Freeze Drying Machinery, Fruit and Vegetable Processing Machinery, Egg Processing Machinery, Packaging Machinery
Country/Region:
Henan, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Henan Methena Intelligent Technology Co., Ltd. is subsidiary of China Orange Group, mainly focus on high customization equipment, production line equipment and one-stop solutions. Located at the intersection of Longjiang Road and Wutaishan Road in Luohe City, Henan Province, covering an area of about 22, 000 square meters. The company has a team of more than 120 people, including more than 20 technical elites. They are the core force of the company's R&D and innovation, focusing on the exploration of cutting-edge technology in food machinery, and providing strong impetus for product upgrades.

Xinxiang Dongzhen Machinery Co., LTD

23 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Mixing Machine, Grinding Machine, Stainless Steel Mixing Tank, Vibrating Conveyor, Screw Conveyor, Vibrating Screen, Trommel Screen, Bucket Elevator, Soap Bar Production Line, Packaging Machine
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Xinxiang Dongzhen Machinery is a manufacturer of food, chemical, pharmaceutical and mineral equipment, located in Xinxiang, Henan. The company was established in 2004, we have designed customized solutions for handling liquid, powder and granular materials for many industries such as food, pharmaceuticals, plastics, chemicals, etc. The main products include: Screening machines, conveyors, elevators, crushers, grinders, dryers, mixers, cleaners, sorters, slicers and related

Guangzhou Zhilitong Electromechanical Co., Ltd.

28 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Testing Equipment
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Establised at the end of last century, Guangzhou Zhilitong Electromechanical Co., Ltd. is an high-tech private enterprise which integrates the R&D, manufacturing and consulting service of cable wires (accord to IEC, UL, GB, BS) test equipments, and accessories, and home appliance test equipment.

Jastec (Shanghai) Technology Co., Ltd.

3 yrs·4.9
·Trading Company
Main Products:
Mill Machine; Spray Dryer
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jastec(Shanghai) Technology Co., Ltd is a professional supplier of food deep processing (include food additive) machinery. It integrates develop, sales, after-sale services as a whole, being a professional supplier for extraction equipment, drying equipment, mixing equipment, grinding equipment and turnkey project for food(include food additive)and agriculture industry etc. Jastec has passed the Occupational health and Safety Management System Conforms to the standard CE, SGS.

Shandong Honsiron Machinery Parts Co., Ltd

5.0
Main Products:
5 Axis CNC Router, 5 Axis CNC Machine, CNC Router, CNC Milling Machine, Tool Bits, 3 Axis Machining Center, Saw Milling Machining Center, Wood CNC Router
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Honsiron Machinery Parts Co., Ltd specialized in designing developing and producing various CNC machine and gantry machining centers. All the products have been approved by ISO9001: 2000 and CE, we achieve ERP strategy and have independent right to export and import.

Zhejiang Jiedu Intelligent Machinery Technology Co.,Ltd

5 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Packaging Machine, Cartoning Machine, Filling and Sealing Machine
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Yiwu Jiedu Mechanical Equipment Co., Ltd. is situated in Yiwu City of Zhejiang Province where is famous interenational small commodities markets base. The company is a manufacturing enterprise that sets research and development, design, production, sales as one, specialized in 3D transparent film packaging machine and kinds of BOPP film, The main products of company: Packing equipment like 3D transparent film packaging machine(commonly known as cigarette packing machine), vertical bag packing machine, pillow packaging machine and so on.

Nanpi Dingtai Cold Bending Machinery Equipment Co., Ltd.

12 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Roll forming machine, Light keel machine, Shutter door machine, Decking floor machine, wall/roof sheet machine, Purlin machine, CNC pipe machine, Highway Guardrail Machine, Hydraulic uncoiling machine
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Nanpi County Dingtai Cold-formed Machinery Equipment Co., Ltd. Has been manufacturing cold-formed forming equipment for several major industries such as guardrails, doors and windows, light steel keels, color steel, and dust removal since its establishment for more than 10 years. At the same time, it is committed to the research and development of various new products, has advanced production equipment and excellent development and design personnel, products with high efficiency, high precision, low processing consumption and other characteristics of the same industry-leading level. Its products have been developed from the ordinary press equipment in the first few industries to now have manufactured many series of production lines used in each industry, as well as cold bending forming equipment, pipe punching equipment for stainless steel, aluminum, galvanized steel and other materials. Tube cold bending and other cold bending equipment, fully meet the needs of guardrails, doors and windows, light steel keel, Color steel, dust and other industries. All types of equipment produced by our company have been exported to Chile, Canada, South Korea, Brazil, Tanzania, South Africa, India, Myanmar, Algeria, Kenya and other countries.

Jiangsu Telhoo Machinery Manufacture Co., Ltd.

Main Products:
Pipe Bending Machine, Pipe Cutting Machine, Pipe End Forming Machine, Pipe Chamfering Machine
Country/Region:
Jiangsu, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Welcome friends from all over the world to visit Jiangsu Telhoo Machinery Manufacture Co., Ltd. The founder of Telhoo entered the pipe bending machinery industry in 1991 and founded Telhoo Company in China in 2004.

Foshan Henwi Technology Co., Ltd

3 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Vacuum Emulsifying Mixer, Homogenizing Mixer, RO Water Treatment, Filling Machine, Packing Machine, Perfume Making Machine, Toothpaste Making Machine, Lipstick Making Machine, Cosmetics Lab. Equipment
Country/Region:
Guangdong, China
R&D Capacity:
ODM Service
Company Profile:
Based on Germany top homogenizing technology, Henwi TECH is professional manufacturer for cosmetic machines, pharmaceutical equipments, food machineries and water purify equipments.