In order to promote the oil and gaspipeline key valve nationalization,Dec,14th,2016,Chinese General MachineryIndustry Insititute in Beijing hosted the 48 "full welded ball valveappraisalmeeting, BLZF have through the identification successfully.

Experts of identification come from Chinesepetroleum natural gas and pipeline company,Chinese Design Institute ofPetroleum Pipeline Bureau, ChinaWestern oil pipeline Corp, Lanzhou Universityof Technology, etc.

The identification results obtained, Mark BLZFhas made a major breakthrough in the development of long distance oil and gaspipeline valve,Our products have reached the leading domestic level.