Tianjin Aokai Oil Tools Co., Ltd. Was founded in October 2001. located in Lianmeng Industrial District of Dagang Oil Field . It’s 40km apart from Tianjin Xingang sea port,Website:http://www.wellscreenchina.com, adjacent to Being with convenient traffic. We are professional and famous manufacturer and exporter of sand control products and accessories for water,oil, gas,and environmental industries. The products mainly including continuous slot screen, pipe base screen, perforated tube, slotted pipe, sieve plate, wedge wire panel, water strainer, gas strainer, casing pipe, oil tube, collar, centralizer with any specifications and materials, and drill tools, etc. that concerned with well drilling project. Since the company established, we insist on good quality, passed the ISO9001:2000 quality assurance system certification in June 2003, making the business range extend continually. At present we have been marketing our products inland to Daqing, Dagang, Shengli, Liaohe, North China, J