DIN933, DIN7991, Threaded Rod manufacturer / supplier in China, offering High-Temp 304 Ss Adjustable Hose Clamp for HVAC Exhaust Systems Sale, Long Lasting M6-M24 Stainless Steel Bolt OEM Grade 10.9 Available Sale, China M8-M24 Stainless Steel Bolt Corrosion Resistant Grade 12.9 Hot Sale and so on.