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Shanghai Quanbao Materials Technology Co., Ltd. is a leading domestic supplier of stainless steel pipes, valves, and fittings in China. Founded in 2009, it is a Sino-foreign joint venture focusing on the production and sales of high-tech, high-quality products. The factory utilizes advanced equipment and testing methods to professionally produce ultra-clean precision seamless stainless steel clean piping systems, ultra-pure stainless steel bright annealed tubes (BA tubes/electropolished EP tubes) for ultra-pure piping systems, and various CNC machined precision mechanical products. These products are used in various industries including gas, laboratories, food, chemical, fluid, electronics, and photovoltaic systems. The company also sells valves with various connection methods. To better provide customers with high-quality products and satisfactory services, the company relies on advanced technology and scientific methods to pursue first-class service and independent innovation. The company adheres to the principle of "quality first, reputation first, service first," and strives to achieve the goal of "quality that reassures customers, service that satisfies customers," continuously improving product quality and providing honest service. Its products are widely used in various industries such as petroleum, chemical, nuclear power, photovoltaic, semiconductor, aerospace, instrumentation, biomedical, and food. The company has consistently adhered to the principle of "survival by quality, development by reputation, and efficiency by management," winning unanimous praise from customers. Its products are sold throughout China and also have a presence in the international market. We are willing to work hand in hand with people from all walks of life to create a better future. The above products mainly use stainless steel 304, 304L, 316, 316L and carbon steel as raw materials, and are manufactured according to American standards ASME (ANSI), German standards DIN, Japanese standards JIS, and Chinese GB, JB, SH, HG standards. Other non-standard customized products are also available. Various conventional sizes are as follows: Imperial series: 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, 1 inch, 1-1/2 inch, 1-1/4 inch, 2 inch, 3 inch, 4 inch, 5 inch, 6 inch, 8 inch, 10 inch, etc., various specifications of BA and EP grade stainless steel pipes, tees, elbows, straight connectors, reducing connectors, double ferrule fittings, valves, and other products. National Standard Series: DN6, DN8, DN10, DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600, etc., various sizes of reducers and other matching products. Japanese Standard Series: 8A, 10A, 15A, 20A, 25A, 32A, 42A, 50A, 65A, 80A, 100A, 125A, 150A, 200A, 250A, 300A, 350A, 400A, 450A, 500A, 600A, etc., various specifications are available in stock. Welcome to inquire and cooperate! 24-hour WeChat Service Number: 15862666511 Tencent QQ: 602657978 Company Email: GQH15862666511@163.com