SHENGHUANG.SHENGHUANG Company was established in 2007 and is located in Longquan City, Lishui, Zhejiang Province. It ranks among the larger stainless steel pipe manufacturers in the province. The company's primary products are stainless steel seamless pipes and boiler heat exchange tubes, with specifications ranging from Φ6-630mm and wall thicknesses from 1-30mm. Materials include 300 series stainless steel, duplex steel, high-nickel alloys, and more. Custom orders for special materials and specifications are also accepted. Additionally, the company offers complementary products including stainless steel welded pipes, pipe fittings, flanges, and valves. Adhering to the principle of “Quality for Survival, Service for Development,” the company is equipped with comprehensive testing facilities including integrated eddy current/ultrasonic testing machines, high-pressure hydrostatic testing machines, German-imported spectrometers, and an independent mechanical properties testing laboratory. The company holds multiple certifications including ISO9001 Quality Management System, Italian ECM certification, Special Equipment Manufacturing License, and ISO14001 Environmental Management System.