Approval to ISO 3834-4 IIW Manufacturer Certificate
TM System (China) Air Technology Co., Ltd has achieved the Welding Quality Certificate ISO-3834-4 according to requirements of the International Institute of Welding on March 5th, 2018.
Our ISO9001:2008 certified workshop is run by a highly experienced Finnish management team and maintains strict quality control, from materials to finished products. Our quality control standards also apply to the simple steel structures and sub-assemblies manufactured by our network of long-term and reliable Chinese subcontractors. The whole chain is strictly confidential.Back to news