Hainan Steel teach you: steel component manufacturing

Steel component manufacturing, transportation, installation, fire and rust.
(1) Manufacturing: steel manufacturing contain loft, item number, cutting, correction and many other aspects.
(2) Welding: Welders must pass an examination and obtain a certificate in welding and must pass the examination within its project and its scope of accreditation. After welding seam welder stamp shall be marked in the weld process and site requirements. Hainan Steel