We are in market for purchasing the enclosed seam less pipe Could you please check the attached file.Meanwhile our contract must be base on OEM.We Need 90 tons per year. 30 tons for per order.Please tell us more about your products. quality ,. your way of testing. , full information about your factory,.Pls let us have your quotation according to the mentioned table Feel free to ask any question.The length of the pipe is 5.8 meter