In 2011, Saudi Arabia and Bahrain built a new 100km natural oil transportation pipeline. The project was expected to cost 350million US dollars, the pipeline will be transported between the two countries about 35 million barrels of natural oil per day. The new oil pipeline will replace the daily delivery 23 million barrels of natural oil in the old oil pipeline. The contractor of sixth tenders in this project is Qane Oilfield Services. DUWA PIPING supplies A106 GRB Pipes and A105 Flanges to Qane Oilfield Services Company. The total amount is 200000 US dollars. All the products have been inspected by the third-party BV before shipment. DUWA has flanges in different sizes in stock, the original three-month delivery time is actually shortened to 2 months.