Valve Co., Ltd. Yongjia County, Yao a www.yyfm168.com main products are flanged butterfly valves, flanged ball valves, flange gate valve, check valve flange, flange valves, steam traps, plug valves, knife gate valve, power station valve series , oil valve series, filters, etc. 10 series over 1600 varieties nominal diameter :3-3200MM, nominal pressure :0.6-42Mpa, 150Lb-3500Lb, valve drive a manual, worm gear, gear, electric, pneumatic, hydraulic action. Products in accordance with national JB, GB standard, the United States API, ASME, Japanese JIS, British BS, German DIN standard manufacturing and other advanced industrial countries. Valve Co., Ltd. Yongjia Yao a www.yyfm168.com experience, strong technical force, advanced production technology, perfect testing methods and quality assurance system equipment. Establishment of a modern PRO / E research and design center and valve research center. This product is widely used in power plants, petroleum, chemical, metallurgy, coal, shipbuilding, oxygen, water, fire, paper, pharmaceutical, construction, aviation, research and other fields. And a magnetic particle inspection, penetrant, pressure testing, tensile testing, impact testing, chemical analysis, hardness analysis, spectral analysis, a set of advanced and complete testing equipment and testing instruments, in strict accordance with international standards for the entire production process quality tracking control to ensure that the products of excellent quality and good reputation. Company www.yyfm168.com always to technological innovation, all to meet the user's operating philosophy, quality is the life, talent is the fundamental pillar of the customer is the enterprise management is the soul of business management, with a more realistic the spirit of continuous application of new technologies, new processes, new materials, and actively develop new varieties, the pursuit of one step ahead of people, dedicated to provide users with high-quality valve products and better service. To meet the business development and market demand, the company is expanding the scale of investment, welcome domestic and foreign customers to negotiate patronage, to establish business seeking economic and technical cooperation. We look forward to working with you! Www.yyfm168.com