1. Steel structure service: Our factory specializes in undertaking various steel structure projects. 1) Professional processing, welding, special-shaped steel structure, frame structure, steel structure truss,steel structure canopy, steel structure carport, high-rise steel structure, steel structure elevator shaft, animal husbandry structure 2) Punching angle steel Universal angle steel Photovoltaic column/oblique beam 3) Gondola Bar Curtain Wall Connector Various Welded Parts 4) Pipe profile punching and plasma flame cutting 2. Extra service: We can provide customized design according to detail request. Our designer can make drawings according to project demand. We have successful steel structure cases in Singapore ( Q345 Steel staircase) , Mauritius ( production show room) Etc : 3. Grade  Q235, Q345B/C/D/E, Q355 B/C/D/E, S235, S275, S355, SS400, 201, 304, 310, 316 ETC. 4. Chemical Composition:

Grade	Chemical Composition (%)
	C	Si	Mn	P	S
Q235B	≤0.20	≤0.35	≤1.40	≤0.045	≤0.045
Q345B	≤0.20	≤0.50	≤1.70	≤0.035	≤0.035
Q345C	≤0.20	≤0.50	≤1.70	≤0.035	≤0.030
Q345D	≤0.18	≤0.50	≤1.70	≤0.035	≤0.025

5. Mechanical Properties

Grade	Mechanical Property
	Yield Strength (N/mm2)/(Mpa)	Tensile Strength (N/mm2)/(Mpa)	Elongtation (%)
Q235B	≥235	370-500	≥26
Q345B	345	470-630	≥20
Q345C	345	470-630	≥21
Q345D	345	470-630	≥21

6. Surface treatment Galvanized Epoxy zinc-rich primer Shot Blasting: 7. Steel structure production: