seamless pipe, 1\'\', 1.*5\'\',
1.5\'\',2\'\',2.5\'\',3\'\',4\'\',6\'\'8\'\',*0\'\', each seamless
pipe length is 5.8m, SCH*0, ASTM A**6 GrB standard,API 5L
standard. the craft is as following. Raw material， oven more than
***0 centi degree, punch the hole, stretch, straightening, cooling,
measuring, cutting the top parts, inspectation, testing report.
