Our company adopts GB, ANSI, ASME, API, BS, NF, DIN and other advanced national standards for valve design, manufacture, inspection, and acceptance. It has a series of resources for casting, forging, professional design, machining, inspection, transportation and other services. The main products are high-temperature, low-temperature, high-pressure bidirectional pressure all-metal hard-sealed butterfly valves and other industrial valves, which are the first batch manufacturer in China; bidirectional pressure, which can be installed arbitrarily, can meet the design requirements of high-pressure 600LB bidirectional pressure manufacturer...