Shanghai Chang Yi Fluid Technology Co., Ltd. is a professional company engaged in producing stainless steel and carbon steel flanges. Our company covers 93000 square meters. Our factory covers an area of 48000sqm, with more than 280 employees, including 28 technicians. We have forging and gold processing equipment. By using the internationally advanced production technology and perfect modern testing systems, we have improved the production, testing and flowing control processes. Our annual output is 7200 tons of stainless steel products and 1800 tons of carbon steel products. We are one of the biggest flange and pipe fitting manufacturers in China. Our company has passed German TUV certification and ISO9001:2000 certification. We have gained Japanese NK and French BV Shipping Certificate. Our company adheres to the "sincerity, win-win" business philosophy and is willing to cooperate with friends from at home and abroad to create a brilliant future.