Steel Frame	H section steel	Q235B/Q355B steel plate thickness: 8-30mm
	Welding	Automatic submerged arc welding
	Rust removal	Sand blasting
	Surface finish	Alkyd or Epoxy paint or Galvanized
	Intensive bolt	M20,Grade 10.9
Supporting System	Angle brace	L50x4,Steel Q235, processed and painted
	Horizontal brace	Φ20, Steel Q235, processed and painted
	Column brance	Φ20, Steel Q235, processed and painted
	Tie rod	Φ89*3, Steel Q235, processed and painted
	Ordinary bolt	M12 Galvanized bolt
Roof	Purlin	C160*60*2.5,Steel Q235, galvanized
	Roof panel	Sandwich panel or corrugated steel sheet
	Sky light	6mm thick reinforced fiber plastic
	Accessories	Glass cement, self-tapping screws, etc.
	Edge cover	0.4mm steel sheet profile trimming
	Gutter	0.4mm thick sheet steel profile or galvanized sheet
	Down pie	Φ110PVC
Walls	Purlin	C160*60*2.5,Steel Q235, galvanized
	Wall	Sandwich panel or corrugated steel plate
	Accessories	Glass cement, self-tapping screws, etc.
	Edge cover	0.4mm steel sheet profile trimming
	Ventilation	Roof unpowered ventilator
	Doors & windows	Rolling door/sliding door PVC/alu/steel/window

Our Company and Certificate

Qingdao Ruly Steel Engineering Co., Ltd is a professional steel structure fabrication and engineering company, located in Qingdao, China, which integrates steel structure design, research and development, manufacturing and installation. The project types include prefabricated steel workshop, warehouse, logistics park and other light steel structure of the civil building system, high-rise residential buildings, exhibition center, stadium, airport station and bridge, Power plant, chemical plant, oil and gas, mining,etc.

Our company's steel structure processing plant now covers an area of 35,000 square meters, plant20,000 square meters. More than 100 employees. The monthly production capacity for steel structure is more than 1500 Tons. Our steel structure components include light/heavy H steel ,BOX steel,Cross shaped section steel, large diameter submerged arc straight-weld pipe,steel model structure, C/Z purlin and machining fitting components . There are three subordinate steel structure companies, which have passed and strictly implemented ISO9001:2008 quality management system, ISO14001:2004 environmental system, GB/T28001:2001 occupational health system, and obtained ASTM certification in the United States, and international SGS product certification. Obtained the right of export, design, installation and consultation from the ministry of foreign trade and economic cooperation.

Quality first, Technology ahead ,Innovation continually is our entrepreneurial concept. We build strong relationships of trust with our clients, truly understanding their needs and bringing them the most reasonable solutions.

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Packing & Transport

All the structure will be well packed with standard package suitable for ocean transport and loaded into 40'HQ.

All the products are loaded at the loading site of our factory using crane and forklift by our skilled workers, who will prevent the goods to be damaged.

Quality Control

QC/Technical Support
Raw material quality control
Thickness tolerance <0.25mm
Yield and tension strength testing in-house
Third party inspection certificate
Supply traceable mill certificate

Structural steel fabrication quality control
100% testing dimension tolerance <1mm
20% sample welding line ultrasonic testing, no fault, full penetration.
20% magnetic powder testing, no bubble, no defect, Smooth and Full
Supply third-party inspection assistance.

Shot blasting and painting quality control
Shot blasting grade Sa. 2.5 Metal luster, no rust, no oil dirt, no welding spatter, Roughness >75um
Paint primer within 5 hours after shot blasting, Holiday-free coatings, smooth, No dust, Dry Film Thickness (DFT) >75UM

Paint primer within 5 hours after shot blasting, Holiday-free coatings, smooth, No dust, Dry Film Thickness (DFT) >75UM

Our Service

1.Structural steel fabrication, painting , galvanizing , pre-assembly

2.Designing, fabrication and installation for Prefabricated steel structure building.

3.Deepen or design the fabrication drawing or shop drawing based on your architectural drawing and construction drawing

4.We offer reasonable advices for usage, maintenance and technically improve.

How to quote

The following question we need to know before making the price. Just feel free to fill what you know.

1	Location (where will it be built?)	_____country, area
2	Size: length*width*height	_____mm*_____mm*_____mm
3	wind load (max. wind speed)	_____kn/m2, _____km/h, _____m/s
4	snow load (max. snow height)	_____kn/m2, _____mm
5	anti-earthquake	_____level
6	brickwall needed or not	If yes, 1.2m high or 1.5m high
7	thermal insulation	If yes, EPS, fiberglass wool, rockwool, PU sandwich panels will be suggested; . if not, the metal steel sheets will be ok. The cost of the latter will be much lower than that of the former
8	door quantity & size	_____units, _____(width)mm*_____(height)mm
9	window quanity & size	_____units, _____(width)mm*_____(height)mm
10	crane needed or not	If yes, _____units, max. lifting weight____tons; max. lifting height _____m