Flat square tube with rounded corners is a kind of flat square tube, which is widely used in school tools, strollers, outdoor fitness equipment, guardrails and other fields.

The square tube is a hollow square cross-section light-weight thin-walled steel tube, also known as steel cold-formed profile. It can be used in school tools, baby carriages, outdoor fitness equipment, vegetable greenhouses, guardrails and other fields.

JIS G3455 STS480 steel pipe has a strong application value, generally used in construction and pipeline installation. JIS G3455 STS480 steel pipe is widely used because of its strong compressive and corrosion resistance. Sulfuric acid and other strong aci

DIN 1630 ST37.4 steel pipe laser cutting process, if there is damage, we must do the correct processing work, in order to better ensure the quality of DIN 1630 ST37.4 steel pipe, in addition to ensure the product technical processing ability, followed by