We, Qingdao Hongbo Petroleum Machinery Co., Ltd. are a manufacturer of expendables mud pump in oil drilling fields. We hope we can have sincere cooperation with your good company as supplier and acts our distributor. sure that products high quality & competitive prices will lead to having large ...

Sino-Us Sichuan TianGong Valve Manufacturing Co.,Ltd.is a Sino-us joint venture company invested by Small Enterprise Assistance Fund, and was found in 1998.Using American production technology advanced business management techniques ,We strive to bring you the highest quality products ...