Profile: Shijiazhuang Longway Petroleum Drill Tools Co.,Ltd specializes in producing drill pipes, tricone bits, PDC bits, casing pipes and pipe fittings. We are an ISO 9000:2000 certified company. Our product line includes drill pipe, casing, pipe, stainless steel pipe fittings and drill bits series. Our drill pipe series includes oil drill, well drill and drill pipe joints. Our pipe series covers seamless, straight seam, spiral, hot-rolling steel & cold-rolled steel pipes and small seamless steel tubes. Our drill bits series includes TCI three cone bit teeth inlay, steel-tooth three cone drill, combination drill and PDC bits.