grade 8 8 level alloy steel bolts

Rechte buisvormige polen van legeringsstaal naadloze buizen warm gegavaliseerd straatverlichting polen

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 ...

Gegalvaniseerde zachte stalen naadloze buis 16KHM Windsnelheid Voor straat licht stalen lamp

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...