Fabricator prefabricated outdoor metal stairs Product name Fabricator prefabricated outdoor metal stairs Material Mild steel,stainless steel ,aluminum etc Grade SS400,S235JR,A36,Q235B Q355B Q460 45# 304 316 Certification: ISO quality system, Chinese GB50221-2001, SGS, CE Types of steel staircases Straight stairs,spiral stairs,curved stairs,fire escape stairs,access stairs,stainless stairs,Dog let stairs,U shape stairs Welding Technology:

Single level butt welding, fillet welding by electric arc welding, and Gas shielded welding.

Welding Testing Ultrasonic Testing, X-ray Testing Packing

Wooden case,steel pallet or other seaworthy package

Inspection 100% dimension inspection and visual inspection,,gas tight test before delivery. Manufacturing Technology

Drilling, Cutting, Assembling, Welding, Rectification, Testing etc

Application Indoor and outdoor

Qingdao Jiahexin Steel Co.,LTD has over 20 years of experience supplying customized machinery parts to many world famous manufacturers or mechanical parts trading agents. Our specialty is in structural metal fabrications, casting, forging, and CNC-machining. Our products cover the fields of construction machinery, power systems, material handling and transportation machinery, metallurgical equipment, mining machinery, chemical engineering machinery,and etc.

Material grade and performance of steel

• Carbon structural steel: Q235, Q355, etc.
• High-strength low-alloy structural steel
• High quality carbon structural steel and alloy structural steel
• Special purpose steel

Quality Standard

1.Certification: ISO9001:2000, SGS Standard

2.Code for design of steel structure: GB 50017-2003

3.Technical code of cold-formed thin-wall steel structure: GB50018-2002

4.Load code for the design of building structures. GB 50009-2006

5.Construction quality acceptance of steel: GB50205-2001

6.Technical specification for steel structure building: JGJ 81-2002

7.Technical specification for steel Structures of tall buildings: (JGJ99-98)

8.Specifications for processing of steel structure: DBJ 08-216-1995

9.Specifications for design and construction of steel panel: YBJ 216-88

The reason for choose each metal

Workshop pre-install.

Professional on-site guidance

Ensure the product quality.

Timely service and progress

Production according welding rules a = 0.7 x thickness of web

Continuous welding on both sides of each pieces

Mark every beam on the bottom plate for being saw after being galvanized

Send pictures to the buyer by mail during products being processed

We have 17 years experience of designing and producing steel structure building

Locating in the Shanghai, only need 1 hour by car, the land transport cost cheaper

Our engineers with 20 years steel structure design experience

1. What kind of company you are?
We are steel structure building Manufacturer located in Qingdao China, We were gaining good reputation among our customers for our professional, warm and thoughtful service. Because we know that a long terms business based on the quality control, price, packing, delivery time etc.

2. Does your company is a factory or trade company?
We are factory, so you will enjoy the best price and competitive price.

3. Whats the quality assurance you provided and how do you control quality?
Established a procedure to check products at all stages of the manufacturing process - raw materials, in process materials, validated or tested materials, finished goods, etc.

SGS, BV and other testing are available for us. We could deal with you by Trade Assurance via Alibaba.

4. Can you offer designing service?
Yes. We could design full solution drawings as per your requirments. They use software: Auto CAD,PKPM, MTS, 3D3S, Tarch, Tekla Structures(Xsteel)V12.0.etc.

5. Do you offer guiding installation on site overseas?
Yes, usually we will send you the detailed installation drawing, if you need, we can provide the service of installation, supervision and training by extra. We can send our professional technical engineer to supervise installation on site overseas.