Jianhu Gangyu Metal Compound Material Co., Ltd. (hereinafter called Jianhu Gangyu Company for short) was founded in 1994 with the present assets. The trends of the technical research and development are the newest two scientific and technical fields of surface engineering, i. e. the technology of self-spreading high temperature compounding and the technology of high-energy ion permeating. The key products serviced for the users are Wolfram Carbide—Steel Product of Abrasion-Resistant (called WCSP for short) and Ceramic-Lined Steel Composite Pipe (hereinafter called Ceramic Steel or CLSP).

The company has the abundant technical power. Over 35% of employees are technicians and professional staff. The Chief Engineer of the company, Mr. Zhao Tianlin (Senior Engineer), was graduated from Bejing Science & Technology University with the major of powder metallurgy and metal ceramics in 1965. He is in charge of the task of CLSP industrialization in the national "863" Plan, "the Eighth Five" Plan and "the Tenth Five" Plan. He is the main inventor of WCPS. In addition, he is "the excellent worker in science and technology" of Jiangsu Province. There are a group of technicians with high diathesis followed him. They have succeeded in researching and making a certain number of new technology, new techniques and new products every year. Their continuous innovation in technology, equipment and products makes the company in the advanced position in the same industry at home and abroad.

The company has the new and advanced technology and products as the support. At the same time, we have established a complete set of quality guarantee system and taken the lead in passing the ISO9002 International Quality System Attestation of Beijing ZZX Quality Guarantee Center successfully in 1999. The company always keeps in insisting on the quality guideline of "taking the qualified persons as the basic, being advanced in technology and letting the users satisfactory". The company has the superior producing equipment and complete testing equipment and apparatus. All the employees begin to work after having the strict training. Both CLSP and WCSP have passed the appraising of the province and the ministry. They have gained "the Gold Medal" and "the Special Gold Medal" for several times in the national exhibition. CLSP Bent Pipe and WCSP have both been confirmed by the National Economic & Business Commission as "the National Advanced Products".