Changyi News, March 12, 2018
From March 7 to March 10, the National Bureau of Quality Inspection have send Liaoyang Boiler Pressure Vessel Inspection Research Institute to conduct on-site evaluation on Changyi for TS (Special Equipment Manufacturing License of Pressure Pipeline Components, Safety Accessories and Safety Protection Device) Certificate Renewal and Address Change. 
In accordance with national <Pressure Pipe Components Manufacture Appraisal Regulation>,< Safety Technical Supervision Regulations for Safety Valves> ,and other regulations, the expert of the evaluation team have conduct on-site inspection, identification and evaluation on resource conditions, personnel qualification, type test, production technology, test and inspection, quality assurance system establish and operation, process control management and tracing, sales management, procurement management, after-sales service and other aspects, Our company have got a good evaluation.
At the same time, the experts pointed out the suggestions for our further improvement to ensure supply compliance, safety, and reliable quality of products and services for users.