Quality Control

Quality Control

ZYM Group focus on the value “ high- quality steel structure at competitive prices”. We control the quality for our clients and partners. From the start of the steel structures production, we adhere the standard of steel structure building strictly. We monitor the quality of the steel materials and our work.

The whole quality control system are as follows, raw steel materials entering the field engineering, welding engineering, fastener connection engineering, steel parts processing engineering, steel component assembly engineering, steel component pre-assembly engineering, single-layer steel structure installation engineering, multi-layer and high-rise steel structure installation engineering, steel grid structure installation engineering, profiled metal sheet engineering, steel structure painting engineering, steel Structure and division project completion acceptance and other contents.

We are proud that our efforts are approved by our clients . ZYM Group is keeping moving forwards with the trust of our clients . We continually do the quality control and produce high quality steel structures . It is also the foundation of the success partnership.

Steel Structures Standard

Steel grade	Carbon Structural Steel Q235B(S235JR SS400 A36) GB/T 700-2006 High Strength Low alloy Structural Steel Q345B(S355N,A50) GB/T1591-2008
Profile	H beam GB/T11263-2010 Tube GB/T 6728-2002 Plate GB/T708.709 Angle GB/T706-2008
Fabrication&Finish	Fabrication GB50205-2001 HOT-galvanization GB/T13912-2002(ISO1461:1999)

Steel Structure Design Steel Warehouse Manufacture Steel Building Installation

Parnership Success

We committed to provide the best service for domestic and foreign friends with first -class technology,first class products ,first class service and first class reputation.Let's win together

subscription