You Long Petroleum Machinery Spares ltd.(YOU LONG PETRO) engages in the export of the petroleum equipment and materials and provides materials and equipment for CNPC and SINOPEC's overseas projects. Established in 2003,YOU LONG PETRO has started the export business of petroleum materials and equipment since 2003.YOU LONG PETRO has provided its products and services to 36 countries and regions across the globe.YOU LONG PETRO's export performance has come out top in central enterprises in successive years and it has been acknowledged as China's largest supplier of petroleum and petrochemical materials and e...