Quality control system
(1).Strength calculation report with applied materials information;
(2).100%NDT(non-destructive inspection) report of steel plate, tube and welding rod;
(3).100% X-ray inspection(welding seam): ensure the quality of entire boiler;
(4).Hydrostatic test: ensure the standard working pressure and safety;
(5).Third-party inspection report:By Henan Boiler Inspection Institute;
(6).Passed ISO:9001 and SGS certificate.