At present we mainly produce self-operating flow control valve (that is, self-operating balance valve), self-operating pressure controllor, self- operating pressure flow controller, SPF-type balance steel ball ***** products have formed serialization and standardization. The company owns the all- round ability of casting, finishing, assembly, quality inspection, calibration system. In 2002, passed ISO9001 international quality system certification, and won the title of high-tech enterprise in Hebei Province, Hebei Scientific and technological achievements award, a number of new and practical patent certificates, a number of provincial and municipal awards certificates, etc. Our products are produced in compliance with the international standard, with each process strictly program controlled. Through more than 20 years&＃039; development, our company has become one of the largest copper valve production and export bases in China. We also lead in the production technology of valves for heating pipelines, air-conditioning devices and fuel gas pipelines. Our products are exported to Singapore, North America and Western Europe.