box coupling3,000+ factories verified

We are one of the most professional plastic conduit manufacturers and research and development companies in China. We specialize in the development and production for innovative plastic conduit and fitting products for the cable management and protection.

Shijiazhuang Jimai Machinery Equipment Technology Co., Ltd is a large-scale professional manufacturer of drilling rigs and water well rigs in Hebei Province, China. It includes 5 series and more than 50 kinds of products. The leading products are: XY series core drilling rigs, JM series water well drilling rig, casing drilling series, as well as mud pumps, drill pipe series, etc.

Jingjiang Huading Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in designing and manufacturing various types of coupling. There are 86 employees in our company, including two senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals. Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Jinan Jichai Huanneng Gas Generating Equipment Co., Ltd(JCHN) is a high-tech sales &service subsidiary company of Jinan Diesel Engine Co., Ltd.

Taizhou Shenlong Fire Science And Technology Co., Ltd, was established in 2009 Year, locates in Taizhou city, Jiangsu Province. Covering 30000 square meter, we now have annual sales turnovers in excess of USD23, 000, 000 and more than 170 workers at our factory.

As a leader in Electrical Conduit and Wiring System area, HANYSEN supports electrical distributors though a broad product line designed to meet the needs of electrical contractors in the residential, commercial and industrial fields.

The founder of ShangKun Industrial Technology Co., Ltd started to step into the industrial hardware field in 2004, mainly serving as agent supplying hardware parts to Europe, the USA and Japan. Back at the time, China's economy was becoming stronger and stronger, which increased the demand from equipment manufacturing. However, China's private sector basically was only in the period of starting. It was hard to find a whole solution for supply in domestic, both for the lack of the humanized design of the hardware parts and of the ability to meet security requirements. Therefore most of the companies chose to use the goods from abroad. Since the heavy rely on foreign products, there emerged a lot of requirements no matter for using or selling them, which imposed some obstacles on the development and the value improvement of the equipment industry.

TIANYAN HOLDING Co., Ltd., located in Chengjiang industrial zone, Huangyan district, Taizhou city, Zhejiang province, covers an area of 80, 000 square meters. It is a big manufacturer, who be specialized in high-tech, high capability, and high reliability piping system. The annual output is around 30, 000 tons, and the types of products are more than 20, 000 PCS. The quality and safety are paid attention to seriously, so many important certificates and identifications was acquired, including the authentication certificate of quality management system - ISO9001, the authentication certificate of environmental management system - ISO14001, the authentication certificate of occupational health management system - OHSAS18001. All of the products had passed the detection by national building material test center and other relevant authoritative department. And the company has be honored as the "Zhejiang famous export brand", "Zhejiang famous brand", "Zhejiang trustworthy company AA level" and many other honorary titles. After more than twenty years of development and innovation, the scale of factory continues to growing, and professional teams in the fields of mold, material, and artwork have been established. Large quantities of leading production machines and testing equipments have been brought in at home and abroad. At present, the export quantity of the company ranks the second in China. Furthermore, the third phase workshops are building now.

Ningbo Standard Plumbing Co. Ltd was extablished in 2007. It covers an area of 4000 square meters and employs around 70 employees. It is a leading company specializing in developing, manufacturing and exporting of advanced piping systems including overlap PEX-AL-PEX multilayer pipes, brass compression fitting, press fitting, thread fitting, gas fitting and other products.

Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd. Was founded in 1999, mainly engaged in oil pipes and pipe fittings, oil special drilling and production tools and oil automation equipments. The company is named as national integration and standard implementation enterprise, a national science and technology-based small and medium-sized enterprise. With honors of"Henan enterprise technology center", "Henan postdoctoral innovation practice base", the company hold 35 senior engineers, engineers and technicians, and has successively obtained ISO9001 Quality system certificates, API 5CT certificate authorized by American Petroleum Institute and BV Quality supplier evaluation certificate issued by company of France. Owing more than 30 independent intellectual property rights, forming an industrial chain integrating design, development, manufacturing, testing and experiment of numerical control automation equipment for petroleum machinery products, which can meet customers' demand for products Full cycle service.

HONGKONG EASTLONG TECHNOLOGY Co., Limited We are mainly engaged in the sales of tubing coupling, casing coupling, pup joints, tool joints, and so on. Our factory is located in Henan, China. We have more than 15 years of experience in production, We have the ISO 9001 Quality Control Certificate, API - 5CT Certificate.

Established In 2001, Aquafitting Is A Leader Company In the Manufacturing Of ductile iron products like Universal Couplings, Flange Adaptors, Saddles, Gate Valves, Butterfly Valves Commonly Used In Clean And Sewage Water Applications, In Natural Gas And Industrial Processes. With certificate like WRAS, ACS, CE.

Shandong SAN YUE machinery Technology company was founded in 2017, is located in Gaomi City where is near to Qingdao and Weifang, which is convenient to Qingdao port and airport. Great transportation system ensures to provide the best customer service to our customers!

Shijiazhuang Weilida Prospecting Machinery Co., Ltd. (formerly Northern Petroleum Geophysical Exploration Machinery Factory) was founded in 1988. Our factory is located in Jinzhou City, Shijiazhuang, an important industrial base in Hebei Province. Our factory has a beautiful environment and a superior geographical location. It is a 5-minute drive from Jinzhou South Exit of Shiheng Expressway, a 15-minute drive from Xinji South High-speed Railway Station, an hour's drive from Zhengding International Airport, and a 3-hour drive from Beijing Daxing International Airport.

Shandong Rosenwell petroleum technology Co., Ltd (hereinafter as Rosenwell company) is located in Dongying City, Shengli Oilfield(Belongs to Sinopec), which is the second largest oilfield and the largest petroleum industry base in China. Rosenwell company is a professional company engaged in petroleum equipment and spare parts, which is a reputable manufacturer and solution provider to oil gas drilling industry. We are focused on consumable parts, aiming for increasing parts life span, reduced operational cost, shorter downtime. Based on our domestic business with Shengli oilfield and professional engineering&commercial team, Rosenwell had built up a solid network and same-boat partnership with worldwide clients. Key advantage: OEM quality, 100% interchangeable. Competitive prices, In-time delivery, after-sales warranty service. The major scope of our products is, Top Drive System Spares, Mud pumps & spares, handling tools, BOP and BOP spares of RAM, Seals, etc We sincerely look forward to the chances of serving esteemed customers from all over the world and win-win business in the long run.

QINGDAO RONGSHANGYUAN INDUSTRIAL AND TRADE Co., Ltd was established in 2005, we are the OEM manufacturer and exporter of various kinds of hydraulic hose, industrial hose, hose fitting & coupling, hose assembly in China. The company has registered fourtrademarks- "RUNNINGFLEX", "HERO POWER" and "SUPER WELL" and "EVERFLY" are being applied to the international market with favourable reputation.

Shandong NDS Machinery Equipment Co., Ltd. is a comprehensive machinery and equipment manufacturing enterprise integrating R&D, production, sales and service. The headquarters is located in Boshan District, Zibo City, Shandong Province, with branches in Henan and Shenyang. The general manager has been working in the field of machinery manufacturing for 15 years and has rich industry experience. He personally leads the team from production optimization to market expansion, accurately grasps customer needs, and continuously promotes product technology upgrades.

1. Company Profile

Wuxi Zejia Technology Co., Ltd. is a comprehensive enterprise integrating R&D, production, and sales. We specialize in the development and manufacturing of high-precision couplings, transmission components, and mechanical parts. Since our establishment, we have consistently adhered to the management principles of "quality first, customer first, and credit-based, " which has allowed us to build long-term partnerships with customers and maintain a strong reputation in both domestic and international markets.

Ningbo Suijin Machinery Technology Co., Ltd is situated in the vibrant city of Ningbo, Zhejiang Province. We are proud to specialize in the manufacturing of a wide range of investment castings and machining parts. Our expertise lies in working with various materials such as carbon steel, alloy steel, and stainless steel. Additionally, we have the capability to compound materials according to specific drawing specifications.

Passion and dedication, enterprising, integrity and win-win, perseverance and persistence.

HENGSHUI STRONGFLEX FLUID TECH CO. Ltd -We are a leading and professional manufacturer of hydraulic hoses, rubber hoses, hydraulic fittings, adapters, and machines in China for 25 years. All of the hoses are produced strictly under the standards of DIN EN and SAE 100 with ISO 9001: 2015 and MSHA certificate...Moreover, OEM and ODM are welcome and will be executed well.

Welcome to Tianjin Chuango Fasteners Co., Ltd.

Diligence & Fine Machinery (Qingdao) Co., Ltd. is specialized in dealing with the transmission components for general use, it is the integration of the manufacturing and sales of them, the products are mainly for export. A full range of tansmission parts are developed and designed by our capable and experienced engieers and advanced equipments are invested which ensure the superior products quality, reasonable prices and broad sales network, aiming to provide global customers with excellent power transmission components and excellent service. We have been dedicated to developing and improving the products quality and distribution network for 15 years, and as a result, Diligence & Fine has become one of the most famous brands in this highly competitive market.

Ningbo Hanyee Metal Product Co., Ltd (NB Hanyee Metal) is a sales branch of SANMEN DING SHENG METAL PRODUCTS Co., Ltd who is a manufacturer of high quality OEM fasteners, spare parts and precision components for automotive, industrial, building, mining and engineering device industries over 15 years. Our factory has 50, 000 square km workshop. These two companies just like as the relationship of father and son. Dingsheng is factory like "father" taking charge of production and study and open new products which located near to exit of Shenhai highway, very convenient. And Hanyee is export department like "son" who doing all marking stuffs, seat in the port city of ningbo. Hanyee office is only 15 minutes-way to ningbo international airport and 15 minutes -way to train station, and location is in the biggest commerical circle of ningbo. Very beatiful environment and convenient traffic.

Luoyang Reliable Machinery Parts Co., Ltd located in Industrial city Luoyang, with 15 years experience in heavy equipment parts line. We manufacture and supply new replacement parts for for Construction machinery, Mining equipment, Agriculture machinery, suit for Excavators, Wheel loaders, Bulldozers, Graders, Tractors, Dump trucks, Generators and more Earthmoving Equipments, produce pins, bushings, shafts, bearings, wear strips, Gears, Washers shims, Seals and gaskets, casting parts, we also cooperate with OEM factories, supply Engine Components, Electrical parts, Hydraulic parts, Braking system parts, Filters, Belts, Hardware, G. E. T parts and more.

Changsha Honest Imp. & Exp. Co., Ltd., located in the beautiful Star City, and it is a professional trading enterprise which integrates R&D and sales.

Ningbo Plent Machinery is located in Ningbo, the second largest seaport in China. We integrate scientific research, development, production, distribution and service. The main products are fire monitors, fire nozzles, water pumps, valves, aluminum casting and pipe fittings.

Jiangsu De Sheng energy equipment Technology Co; Ltd. was founded in 2008, and located in Xuzhou City, Jiangsu Province, China. It covers 80, 000m2 and is with 12 workshops. It is a quite strengthful manufacturer for fuel tanker parts, fuel dispenser, fuel nozzle, and related gas station parts in China.

Jiaen Machinery is a trusted and innovative manufacturer, specializing in the customization and production of high-quality metal and plastic components for a wide array of industries, including automotive, aerospace, electronics, energy, telecommunications, and industrial machinery. With a comprehensive portfolio of manufacturing capabilities-ranging from precision sheet metal fabrication and CNC machining to die casting and plastic injection molding-we deliver customized, end-to-end solutions tailored to the unique specifications and functional requirements of our global clients.