He have to enterprise is a collection of industrial pipe fittings and pipe fittings of complete sets of equipment production and sales in one of the collectivization joint-stock enterprise. By zhejiang volunteers have to tube Co., LTD, jiangsu volunteers have to tube industry Co., LTD and dafeng volunteers have to mechanical equipment Co., ltd., together. The company's total assets of 100 million yuan, the factory area of 100000 square meters, the staff of more than 300, including technical personnel more than 15%. He have to leading products for stainless steel, carbon steel, duplex steel of the material such as metal pipe fittings. The company was founded in December 2004, introducing and the independent research and development with the international advanced level in the pipe fittings production equipment, adopt international advanced production technology, to domestic and imported high quality raw materials and manufacturing all kinds of elbow, the three links, different-diameter pipe, turn over the side, tube cap, flange pipe fittings etc. Product. Sophisticated equipment, advanced technology, complete equipment (size mold, over 1000 sets of the total weight of over 500 tons. Not only can according to gb. American standard. Japanese standard. German standard. British standard standard production superior standard fitting, can also according to the customer request independently develop and manufacture non-standard pipe fittings. My company to ISO9000 as a quality assurance system, with perfect quality guarantee system equipped with advanced testing equipment, make every production process can be strictly controlled, with ERP system to follow up every orders, form a complete production and quality management system. In 2006 the European Union has passed the authentication of the pressure equipment materials (PED / 97/23 / EC), the German national pressure equipment material the authentication (AD2000-Merkblatt W0), and China's special equipment manufacturing license (TS2710B71-2011), and successfully become China petroleum corporation level 1 supply network members. Zhejiang volunteers have to tube industry Co., LTD. Was established in December 2004, the company is located in the city of stainless steel of wenzhou longwan sand town, away from wenzhou airport only 3 kilometers away from highway just seven kilometers export. The main products of the company for stainless steel seamless welded pipe fitting. The company has full set of fittings processing equipment (all kinds of compressor, the diameter tube mould), and advanced testing equipment (spectrometer, drawing machine, impact test enginery, hardness tester equipment), let the company has a powerful production capacity, in a short time, meet the requirement of customers to order. Jiangsu volunteers have to tube industry Co., LTD in 2010, and formally put into production, the company is located in jiangsu dafeng city pump valve industrial park, the main production of large diameter have seam welded pipe fitting, the company has CNC plasma cutting machine, CNC plasma elbow large special automatic welding machine, large abrators solid solution furnace professional production equipment. Professional equipment brings productivity innovations, and let the big pipe production more handy, product quality to be more perfect. Dafeng volunteers have to machinery Co., LTD is in the original zhejiang have to tube industry equipment Co., LTD, based on the tube by zhejiang volunteers to partner in 2009 and invest in the construction of the professional production pipe fittings production equipment and tooling and the factory. The company is located in jiangsu dafeng city pump valve economic development zone industrial park, with the improvement of the traditional production equipment to improve production efficiency and fittings products quality exploration, for the customer provide professional stainless steel pipe and mould, tooling equipment. The company in the "quality win" the management idea guidance, since the creation of the day that assembled a group within the industry outstanding professional and technical personnel, by the global advanced cold forming production technology, equipment fixtures; With quality management of professional personnel, establish the tightly controlled, feasibility of strong products quality guarantee system and strict execution. All production processes are all dealing with strict controlled condition, in order to ensure that each product quality. Volunteers for the quality of the product might request, let volunteer to European Union and the United States product marketing, Japan, Korea, and other industrial countries, products widely used in petroleum, chemical, shipbuilding, machinery, health, paper making, and other fields, and obtain customer to the quality of products of the widespread praise. "Unity is strength, the bag", "is the enterprise spirit to place, in the spirit, under the guidance of gad he constantly improve customer satisfaction for the purpose of the modern enterprise management system, depends on the independent innovation whether improve the product quality, the" the will have to "to fight a pipe fittings industry very competitive manufacturer. Volunteers to open, friendly, gad sincere attitude to meet friends at home and abroad to visit, we service won't reducer, we smile not only 1.5 D, your arrival will volunteer to tube into the book "guests visit list", as a permanent symbol of friendship. Look forward to your honored guests......