The company started in 1987 to serve the petrochemical industry, formerly known as Dandong Shuguang Valves Co., Ltd., established in 2000 after the reform Valve Co., Ltd. Dandong Shuguang. As the oil supply network members, and in 2003 passed ISO9001-2000 quality system certification in 2004, obtained a production license of the valve. Covers an area of ??12,000 square meters, plant area of ??8,000 square meters, a variety of machining and heat processing equipment hundred sets, detection means complete, quality assurance system, over the years accumulated a wealth of experience with independent research and development capabilities, from smelting to machining, forming a complete line of valve production operations, can be sand casting, casting (water glass, silica sol) and other casting process. Can produce all kinds of national standard and non-target cut-off valve, piston valve, discharge valve, sampling valve, and a variety of filters. With the rapid development of national energy building, the company developed φ320 ~ φ1420 pneumatic pipe clamp technology has reached the international level of similar products, and cost-effective, has been used for the 21 national key project West-East Lot 24 tenders, Hainan Island gas pipeline construction pipeline construction and other projects. And Liao localization of the inlet valve to contribute to the leadership by the petrochemical praise. I produced the piston valve with anti-mold, no leakage, energy saving features, in the petrochemical industry has a good reputation. We will in the quality first, customer first principle of return customers.