On April 25, 2022, the Special Equipment Bureau of State Administration for Market Regulation issued notice to call for comments on the draft of No. 1 amendment list for Approval Rules for Type Testing Institutions of Special Equipment (TSG Z7004 - 2011) (hereinafter referred to as “the Approval Rules”). The call-for-comment period will end on May 9, 2022. 

The amendment was drafted in compliance with the revision of two official specifications, the Supervision Regulation on Safety Technology for Stationary Pressure Vessels and the Supervision Regulation on Safety Technology for transportable Pressure Vessel. Its main purpose is to meet the new technical requirements for pressure vessels manufactured by new materials.  

Main contents of the amendment: