Weihai Weihai,
Dear Sir/Madam, We write to introduce ourselves as one of the largest Manufacturers and exporters, from China , a wide range Petroleum Machinery Equipments. main manufacture Down hole Motors, tubing, casing,ERW pipe, fittings, castings, drill pipes, collars, Skid-Mounted Drilling Truck-Mounted Drilling, Tools casing, ...
ipe, downhole motor, tubing, drilling