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Hebei Hongwei Conveyor Machinery Co., Ltd.Hebei Hongwei Conveyor Machinery Co., Ltd. is a mine conveyor machinery manufacturing and various parts of the production of manufacturers. The company is the fourth domestic bearing production enterprises. The company mainly produces belt machine parts and stamping parts, TT-75 type, TT-2 type 1-6C pillar, side pillar. Roller: stamping bearing seat (plate 1.5-5mm thick, tube diameter 89-194), stamping grip, iron hook, plastic, nylon seal, spring, spring, flat pad, connecting piece, xiao zi, elastic xiao, rubber ring, a full set of hollow shaft, complete specifications, welcome to call to order. Quality has reached the domestic level, is the majority of users of the ideal choice.

Liaoning Fuwa Heavy Industry Machinery Co., Ltd.

Wuxi Dingbang Heat Exchange Equipment Co., Ltd.Wuxi Dingbang Heat Exchange Equipment Co., Ltd. is a professional petrochemical equipment company integrating R&D, design and manufacturing. The main products are: various tube heat exchangers, spiral baffle heat exchangers, air-cooled heat exchangers (air coolers), plate-bundle heat exchangers and A2 pressure vessels, as well as planetary differential start of oil extraction machines

Suzhou Douson Drilling & Production Equipment Co., Ltd. Suzhou Douson Drilling & Production Equipment Co., Ltd. (Douson shares, SH603800), established in 2001, is an oil and gas development equipment manufacturer which specializes in R&D, design, manufacturing, sales and service.

DP-Master Manufacturing (S) Pte Ltd . _DP-Master is based in the Jiangyin Economic Development Zone along the Yangtze river delta located about a 2 hour drive from Shanghai.

Dezhou United Petroleum Technology Corp.,Ltd.with advanced machining and testing equipments, mainly produces high-end oil-drilling and production equipments, tools，accessories and engineering service. DUPM was accredited with API, ISO9001（DNV）, and HSE certificates, etc and has exported its products to many countries and areas and has earned a good reputation in oil and gas field at home and abroad.

Yantai Gaohong Hydraulic Science&Technology Co., Ltd.Yantai Gaohong Hydraulic Science&Technology Co., Ltd. is located at the beautiful coastal Yantai Economic&Technological Development Area. It is engaged in research and development, production and sales of engineering machinery, vessels, agricultural machinery, excavator parts and hydraulic products.

Guangxi Haotong Construction Machinery Manufacturing Co., Ltd.

Xinhua Petroleum Machinery is a professional manufacturer of mud pump accessories.