This week, the company received customers from Bahrain, South Korea and India, as well as the company's ISO9001 certification this year. Since Monday, customers and audit teachers have come to the company one after another. This week is busy and happy.Material: 20MnG,15CrMo, 15CrMoG, 35CrMo, 42CrMo,12Cr2MoG, 12Cr1MoV, 12Cr1MoVG, SA213 T11, SA213 T12, SA213 T22, SA213 T23, SA213 T91, SA213 T92, 15Mo3, P11, P12, P22, T91, P91, 42CrMo，A335P11.