[introduction] this certificate is a special equipment (pressure vessel) design qualification license issued by the general administration of quality supervision, inspection and quarantine of the people’s republic of china. since september 1986, cfhi has obtained the design qualification of class iii pressure vessel, and established the pressure vessel design quality assurance system according to "special equipment safety supervision regulations" "no. 549, "fixed pressure vessel safety technology supervision regulations", "pressure vessel and pressure piping design permission rules" and other regulations. the renewal period of this certificate is 4 years. this certificate authorizes cfhi to design pressure vessels in the above manufacturing address according to the specified scope.
the design qualification has been maintained continuously since the design permission was obtained.