The China-Russia East Line Pipeline Project is a major project of strategic significance decided and constructed by the Party Central Committee and the State Council. This world-class energy artery, which has been negotiated for 20 years, has set the current world record for the largest diameter and highest pressure (NPS56/Class900) of a natural gas pipeline ball valve. The creator of this record is in Western China, Dayi County, Chengdu, Sichuan.
Welcome to this issue of "Pioneer of the Times" - "The Road to the National Valve"
