Dalian Dafa Casting Co., Ltd. is affiliated to China Shipbuilding Group Co., Ltd. (CSSC) Dalian Marine Valve Co., Ltd. (DMV). It is a professional manufacturer of castings, Dalian marine valves, marine castings and ship inspection castings. The company has complete casting processes and methods, including sand mold casting, metal mold casting, centrifugal casting, silica sol and water glass composite investment casting, etc., with an annual production capacity of more than 10000 tons.

Dedra is a company that specializes in providing a wide range of high-quality tools and products for construction and daily use.

Defa is a comprehensive enterprise integrating the design, production, leasing and sales of construction engineering hardware accessories products

Dalian Leader Fluid Control Technology Co., Ltd. is the largest and most professional agent of imported solenoid valve and control valve, specializing in the sales of GSR solenoid valve, GSR pneumatic valve, coax solenoid valve, coax pneumatic valve, Coax Coaxial valve, AIRTEC pneumatic components, etc.

Dalian Xinyi steel abrasive parts Co., Ltd. is specialized in Dalian sand blasting, Dalian shot blasting and Dalian blackened surface treatment. Tel: 13795133932. It can provide new and old customers with surface treatment business required by various sand blasting processes.

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.

E-Chan Precision（China）Co.,Ltd. - Shanghai E-Chan Precision Machinery Co.,Ltd. was established in December 2010

KAIPING LIPU SANITARY WARE CO.,LTD | Brass Spout | Brass Tubular SeriesEstablished in 1993, located in the “Faucet Manufacturing Base of China” in Kaiping City, Guangdong Province, China, LIPU (SHENGFA) BRASS TUBULAR CO., LTD, a modern industrial company is dedicated to the manufacture of high quality brass tubular wastes, bath tub drains, faucet spouts, with a product range of more than a thousand types. The plant is equipped with advanced machinery which covers an area of 40000 square meters.

Cixi Hualong Synchronous Belt Wheel Co., Ltd. is an enterprise specializing in the production of 'ISO

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