We, China Welong Oiltools Co. Ltd., specialize in oilfield products. Now many big factories abroad are purchasing the drilling tools, Drill pipe, Drill Collar, tubular from us for our competitive price and best quality. Based on API standards' guidelines, Welong ensure each product from our mill is fully inspected and conform to the client's requirements.
It is certain that you will find large benefit from our cooperation. If you have any interest, please contact us freely.