| Group Corporation, China Association valve plant, and the American Petroleum Institute ISO9001 certification API6D enterprises, CNPC and Sinopec Group members of a supply network unit, the State Petroleum and Chemical Industry Bureau sentinel production units, the Ministry of Construction Engineering Construction Products. The main production by GB standards and ANSI, API, DIN and JIS standards of high pressure valves. The Company produced the butterfly valve in absorption and digestion of advanced technology from abroad on the basis of a new improved, the company has the characteristics of the product line, tightness, hoist of the small, open and close time is short, broad application in the petroleum, chemical, construction heating, water and medicine, food industry, by users trust and approval. The company has a high standard of scientific research product development team, widely used CAD-aided design, computer companies standardization of the management and stringent product quality management. Complete product specifications, the new structure, process superb sound detection, of quality. Over the years, graciously research units and user support, the company has developed into a set production, research, marketing, professional services as one large valve manufacturing enterprises. Depending on the quality of life for the company to credibility in order to survive, to promote technology development, to premium brands for customer service and sincerely welcome friends at home and abroad choose Ryosei products, build a beautiful, create brilliant. |
