grade 8 8 level alloy steel bolts

Cột ống thẳng kim loại hợp kim thép ống liền mạch nóng Gavlanized đường phố chiếu sáng cột

Professional Manufacturer of Street light steel lamp in High Steel , Surface : High Quality Galvanized Material : Steel tube from hot rolled steel grade S235JR acc to EN10025 Manufactured to EN10219 Surface Protection :Hot dip galvanized acc to International Standard EN ISO 1461 Certificates : CE ...

Galvanized Light Steel Seamless Tube 16KHM Tốc độ gió cho đèn thép đường phố

Professional Manufacturer of Street light steel lamp in High Steel , Surface : High Quality Galvanized Design Standard : USA Standard Wind speed : more than 30M/Sec Anti-seismic design : more than level 7 Raw material : ASTM A572 GR65 /Q345/GR50 /Q235 HeightFrom 1 m to 20 mSuit forAirport ,seaport...