The 20th Session of the OGT International Conference was held in Ashgabat,the Turkmen capital,On 17-18, November 2015. As the famous manufacturing company of China Petroleum & Natural Gas drilling solids control equipment and Environmental protection waste treatment equipment in oil field, Brightway, as the sponsor, was invited to attend the OGT international conference and made a speech " Present Situation and Development of the Situation of Solid Control Industry" at the meeting.
