Established in1992, Dongying Mingde Petroleum Technology Co., Ltd is a professional manufacturer and supplier of slotted liner, tubo ranurado, plasma slotted liner, API slotted liner, laser slotted liner, laser cut liner, sand control liner, mechanical slotted liner, slotted screen pipe, API slotted screen pipe, slotted casing, slotted tubing, composite screen, perforated liner, perforation liner, perforated tubing and casing, API perforated tubing, API perforated casing.