... manufacturing management experience, have the advanced production equipment and technology ,with 5 production lines. The main production equipments are friction forging ... output 6000 tons.Samples time15-30 days, we will track the samples with whole range. Standards ASTM, ASME, AISI, API, UNI, DIN ... all the customer's from the world come to inquiry with us, and we can assure you that provide the best ...