Donjoy built up in 1993, with registered capital RMB105.58 million(about 15million USD). We focus on developing high quality PID process controller, the valve positioner, the flow controller, the valve control unit, high purity process control valve, intelligent self-control valve, high pure pump, Cleaning technology, piping and pressure vessel safety technology, high pure tubing fitting and pipeline accessories. Donjoy's products and technoligy are widely used in biopharmaceutical, food, drink, wine and other industrial fields. Donjoy's innovation solutions meets growing demand in the industry of biopharmaceutical, food and beverage from the whold wold, special the emerging market.

Donjoy founded in 1993, with registered capital RMB105.58 million(about 15million USD). We focus on high quality PID process controller, the valve positioner, the valve control unit, high purity process control valve, high purity pump, Cleaning technology, piping and pressure vessel safety technology, tubing fittings. Widely used in biopharmaceutical, food and beverage, dairy...etc

HENGDA MECHANICAL SEAL MANUFACTURER Co., Ltd is one of China bigeest manufacturer that making pump mechanical seals, auto pump seals, water pump seals, cartridge seals, metal bellow seals and ceramic seal faces and rings, sintered sic(ssic) seal faces and rings, sic(silicon carbide) seal faces and rings, tungsten carbide(TC) seal faces and carbon or graphite seal faces and rings supass twenty years. We have two brand of mechanical seals, one brand is "HM", It supass twenty years, one brand is "hengda", please recognize our trademark. They can mostly take place those products of famous brand, but with very good price. Our major mechanical seals for pump is as below:

Since its establishment in 2017, Wenzhou Huayu Valve Co., Ltd. Has been committed to becoming a professional manufacturer in the field of high-quality and high-precision fluid equipment. The company's core products cover various types of valves such as butterfly valves, check valves, and ball valves. With their outstanding sealing performance, corrosion resistance, and long service life, these products have been widely applied in fields with extremely high requirements for hygiene and precision, including biopharmaceuticals, juice beverages, meat processing, health products, daily chemical products, and fine chemicals industries. It has become an indispensable key component in the production processes of many enterprises.

In the dynamic landscape of industrial manufacturing and trading, Hebei Yingpai has emerged as a remarkable and reliable enterprise, making its mark with a blend of innovation, quality, and customer - centricity. ?

Hebei xinhuafa petroleum company is specialized in different kinds of products.

We are a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales. Located in Shandong Iron and Steel City: Liaocheng. The company has developed rapidly since its establishment. It has established long-term and stable cooperative relations with Shandong Iron and Steel, Rizhao Iron and Steel, etc. Main products: Carbon steel, I-beam, H-beam, stainless steel plate, wear-resistant plate, patterned steel plate, galvanized series, steel pipe, rebar, welded pipe, galvanized welded pipe, spiral welded pipe, etc. Widely used in important fields such as automobile, petroleum, railway, bridge, construction, electric power, transportation, machinery, shipbuilding, light industry, household appliances, kitchen and so on.

Shijiazhuang Aofeite Medical Devices Co., Ltd Is a Comprehensive Trading Business Integrating Design, Production and Marketing. Located in The Cbd of Yuhua District, Shijiazhuang City, Hebei Province, The Company Enjoys Convenient Transportation, Fluent Information and an Elegant Environment.

Wenzhou Dingyue Fluid Equipment Co., Ltd. Was founded in 2010, is a professional production of ball valves, diaphragm valves, check valves, butterfly valves, flange electric actuators, joystick, valve head, reflector series of private enterprises. Strong technical force, advanced production equipment, complete testing means. Strictly in accordance with ISO9001 system of three-dimensional layout: Independent research and development, high-end OEM, independent brand.

Changsha Orosion Trading Co., Ltd. Was established on September 18, 2019, located in Tianxin district, Changsha city, Hunan province, China.

Shenzhen Luckym Technology Co., Ltd. Was founded in 2014, we are an professional enterprise specializing in processing of precision CNC machining parts, cover CNC Turning & CNC Milling Parts, Grinding Parts, Wire-EDM Parts, Aluminum Machining Parts, Steel & Stainless Steel Machining Parts, Brass & Copper Machining Parts, Plastic CNC Machining Parts. The design and manufacture of tooling fixtures and industrial automation non-standard device. Products involved in automotive, medical, security, optical communication, photoelectricity and laser industry, aerospace, electronic industry and automation industry etc.