JiangYi YongYi Co., Ltd., is a company that specializes in manufacturing and marketing all kinds of stainless steel tubes. The company obtained ISO9001: 2000 quality management system certificate in 2002; Obtained national industrial products manufacturing license (XK05-212-00099)in 2003; And it was awarded as "Quality creditable enterprise", "AAA grade enterprise of quality, credit, service" and "Outstanding enterprise with emphasis on quality and credit".

The company now owns many senior engineers and technicians. It also introduces the most advanced production equipment. It now owns cold drawing machines with capacities of 50 tonnage, 20 tonnage, 10 tonnage, 5 tonnage, 1.5 tonnage etc, and cold rolling machines, etc, and complete equipment for testing water pressure, eddy current, supersonic defect detection, surface finish, hardness, intergranular corrosion, mechanical performance etc. It also founds a physical and chemical test center. The company utilizes advanced techniques and scientific management methods. Now the annual production capacity of the company has reached 3000 tons of all sizes of top-grade cold rolled, cold drawn, polished seamless stainless steel tubes.

The main products of the company are austenitic seamless stainless steel tubes and all kinds of special shaped stainless steel tubes. The grades of materials used are 304, 304L, 321, 316, 316L, 309S, 310S(2520), 317L etc. The specification of product is as follows: Outside Diameter.: 0.8mm~57mm, Wall thickness: 0.1mm~6mm, Length: 10mm~25000mm. The products conform to Chinese national standards of construction seamless stainless steel tubes (GB/T14975-2002), fluid flow seamless steel tubes (GB/T14976-2002), and boiler, heat exchanger stainless steel tubes GB/T13296-1991. And if specified by customer, we can also conform to American standards (ASTM A-312; ASTM A-269, ASTM A-632, ASTM A-213), Japanese standards (JIS G3463, JIS G3459, JIS G3448, etc. ), Germany standards(DIN 17458, DIN 17456, etc. ) and EU standard ISO1127 etc. And we can also manufacture all kinds of special shaped tubes such as square tubes, hexagonal tubes, end contracted tubes, bended tubes and flattened tubes, etc.

Since it was founded, the company always insists in the principle of "customer oriented", and implements ISO9001: 2000 standard completely in the whole company, and carries out the quality policy of "quality base, human focus, scientific management, continuous improvement". The products are very popular with customers, and all received highly evaluation. The products are widely applied in mechanical, chemical, chemical fertilizer, chemical fiber, petroleum, natural gas, nuclear power station, boiler, heat exchanger, equipment, foodstuff, drinks, medicine, medical treatment, environment protection, aviation, electromechanical, apparatus, metering, electronic components industries. The products are widely sold around China, and exported to Britain, USA, Japan, Germany, South Korea, Middle East, Brazil and Greece, etc.