Shijiazhuang LongWay Petroleum Drill Tools Co., Ltd(Jinzhou City Eastern Exploration Machinery Co.,Ltd)is a professional manufacturer of drilling equipment. Located in Jinzhou City in Hebei Province of North China, we offer a comprehensive range of design, development, manufacturing, sales and after-sales services to all clients. Guaranteeing to provide quality products, we use such advanced equipment as friction welding and drilling lines, an electric furnace and high precision alignment machines. Our main product lines now include drill pipes in diameters of 50/60/73/89/114/127 millimeters,and drilling joints in diameters of 68/78/105/121 millimeters ,and a variety of steel materials for them. Meanwhile, we can also provide drill collar in diameters of121/146/159/178 millimeters ,gelogical drill pipes in diameters of 45 /50/ 60millimeters,drilling joints in diameters of 57/165/75 millimeters all of them can be used in exploration drilling, oil wells and coalfield .Having buil... [Details]