Xi an HL Petroleum Equipment Co., Ltd ( Short named as HL solid control) is a hi-tech professional manufacturer of petroleum solid control equipment, the production base is located in the Feng....
Xi' an TianRui petroleum machinery equipment Co.LTD. ( short name: TianRui solid control) , was located in Weiyang District xian city of shaanxi province. The company covers an area of 40 acres, now....
HL Mud Cleaning Equipment Co., Ltd is a hi-tech company in xi an, Our company is mainly engaged in production of petroleum drilling solid control equipment. including SB serial sand pumps, JQ....
Xi an SENBAO Electric Engineering Co., Ltd is a high-tech joint-venture of the Xi an Eastern Electrical Engineering Research Institute and the American Hansen Trading Company. Taking advantages....