The improvement of technology and excellent equipment are the reliable guarantee of our product quality, they enable us to expand our sales network day by day. We always put the benefit of our customers on the top of the list; while we are improving our product quality, we are trying to consummate our customer service system all the time.
We have kept all material reports, and we also do mechanical tests to guarantee the products for all our customers. The date results are well kept.
We make inspection gauges in our own factory and gauges are regularly checked and used during the production. The dimensions of socket, ID and OD are guaranteed.
We have inspectors to check the wall thickness of the products with precised thickness measurers. Different standard is respected.
We do visual inspection for all the fittings before the products leave the factory.