ASTAIN insists on developing the new and advanced sicience and technology, which is our
dream to change the conditions that many companies often import valves from adroad after ourestablishment. Our products in strictly accordance with the international standards,such as: ISO, API/ANSI、BS、DIN、NF、JIS/JPI、GB/JB etc. Themain materials as follows: Carbon steel,low temperature steel, dual phase steel(F51/F53) titanium alloy, aluminum bronze, INCONEL,SS304、SS304L、SS316、SS316L;chrome-molybdenum steel, Monel(400/500), 20#alloy, Hayne's alloy etc. The main modacts are (wafer type/lug type)check valve, ball valve, gate valve, globe valve, butterfly valve, plug valve etc.which are special valves without normal standards. Our products are widely usedin petroleum-chemistry,Oil, gas, electricity,&n…