Zhejiang Longcheng Valve Co., Ltd. is specialized in the production of valves and steam traps (drain valves). We boast a long history, advanced techniques, perfect test technology and normalized quality control in order to further the improved system. We have successfully obtained the ISO9001 certificate. The products made by us are widely applicable for different industrial pipelines in petroleum, chemical industry, metallurgy, electric power, military power, paper-making and engineering support. The small-bore valves mainly include gate valves, stop valves, check valves and low-temperature valves. All of our products are made in accordance with the API standards. The steam traps mainly include thermodynamic type, free ball float type, inverted bucket type bimetal type, bellow type, sylphon type, high temperature pressure disc type, and lever ball float type. Materials of the products can be carbon steel, austenitic stainless steel, alloy steel and other special materials. We sincerely wish to cooperate with you. Please contact us at your convenience.