Min. Order Reference FOB Price
20 Pieces US$3,000.00-5,000.00 / Piece
Product Description
Machining and manufacturing of water well drilling tools Weifang Shengde Petroleum Machinery Manufacturing Co. , Ltd. is a professional company integrating R &D, design and production. China National Petroleum Corporation (CNPC) and China National Petroleum Sinopec Corporation (CNPC) are ...