Gansu Petro Machinery Co., Ltd (GPEM), since its establishment in 2000s, has focused on petrochemical industry for more than10 years with the principle of perfect quality and excellent service and basic purpose of providing strategic sourcing service and product solutions for foreign market. Founded as a special professional distributor & stockist office for overseas end users, it specializes in below mentioned products: pressure vessels like columns, heat exchangers, boilers, drums, pumps, compressors, pipes, drilling tools and valves for oil&gas, mining, auto industries. All products are approved by ISO certificate, CE certificate, GC certificate, TUV certificate, etc.