Medical, serospace, military, petrochemical, engineering, metallurgy, electroplating, vacuuming metalling, sports etc, in accordance with ams, astm, asme, mil, dms, din, jis. Meeting the customer's requirements iso 9001:2008 registered. Size:dia6~40mm, dia40~100mm, dia100~350mm. Grade:gr1, gr2, gr3, gr4, gr5, gr7, gr9, gr12, gr23. Standard:astm b348 , astm f136, astm f67, ams4928. Dia3.0-20mmxl3000mm, h9-h7. Dia6.0-200mmxl1000-6000mm
