Welcome to Qingdao Steel Building Co., Ltd.
Grade:Q235(S235JR )Material: Round pipe or square tube etcSurface: Hot dip Galvanized…
Hot dip galvanized steel structure fabricate in China We supply the steel structure f…
Purlin & Wall girt Grade:Q235/Q345(S235JR/S355JR )Material: C/Z purlin etc Size: …
Purlin & Wall girt Grade:Q235/Q345(S235JR/S355JR )Material: C/Z purlin e…