On 19 October 2017, SAC called for comments on 555 national standards including “City Gas Pressure Regulators” (draft for appronel). The comments collection will last from 19 October 2017 to 2 November 2017.

For more detailed information please refer to:

http://www.sac.gov.cn/gzfw/zqyj/201710/t20171019_311261.htm