Founded in 1986, Jiangsu Sujia Group Co., Ltd ('Sujia Group') is one of the top 10 private enterprises in Wuxi, China. It holds the post of President of Wuxi Qianqiao Steel Pipe Enterprise Association and is one of the leading steel enterprises of Huishan Special Metallurgical Material Industry Base under the National Torch Program. Currently it has a work force of close to 3, 000 and production facilities covering total area of more than 700, 000 square meters.

Sujia Group Co., Ltd ('Sujia Group') which is part of the Sujia Group comprises the following companies which are all subsidiaries of Link Hi Holding Limited, listed in Singapore: Wuxi Fastube Industry Co., Ltd. Wuxi Dingyuan Precision Cold-Drawn Steel Pipe Co., Ltd. And Wuxi Fastube Energy Development Technology Co., Ltd. The Steel Pipe Group has a production capability exceeding 500, 000 MTs and possesses a sophisticated testing facility, the first in the region. The facility will form the foundation upon which a research and development centre for steel pipes will be built.

Wuxi Fastube Industry Co., Ltd. with a production capability of 300, 000 tonnes manufactures various high end precision ERW steel pipes of exterior diameters 25-355mm, thickness of 1-14mm and is able to produce steel pipes up to grade N80. Its equipment and facility include fully automated high frequency solid state welding machines, inner-scarifying systems, seam annealing systems and whole pipe body eddy current and ultrasonic detectors and 4 sets of hydrostatic tester(maximum ressure: 70Mpa). Its products are categorized into 4 main types: Oil and gas field pipes and line pipes, automotive pipes, precision machinery pipes and low to medium pressure boiler pipes.

Wuxi Dingyuan Precision Cold-Drawn Steel Pipe Co., Ltd. It produces rounded steel pipes with exterior diameters 10-168mm and thickness 1-20mm and steel pipes for use in the oil and gas industry, power stations and plants, machineries and pressure pipes. It is able to cater to a wide range of customer needs due to the state-of-the-art machineries it possesses. These include sets of advanced and strengthened piercers, sets of high precision hydraulic cold drawing machines, a shot blasting machine, a two roll straightener and a 100 elongator.

Wuxi Fastube Energy Development Technology Co., Ltd. Is principally a subcontractor for casing and drilling pipe for the oil and gas industry. It has two production lines for the manufacture of casing and drilling pipes, one for tube end upsetting and another for heat treatment purposes. It has advanced testing facility and is capable of producing tubing, casing, internal and external upsetting tubing and corresponding coupling of API standard.