Investor Relations
INVESTOR RELATIONS

Investor Relations

22S407-2 building water supply thin-walled stainless steel pipe installation

　

CECS153 "Technical specification for building water supply thin-walled stainless steel pipe engineering"

　

CJT152-2016

　

CJT151-2016

　

CJT466-2014 double-card pressure gas pipe fittings

　

CJ-T433-2013 crimping type carbon steel connecting pipes and fittings

　

Standard Specification for Design of Water Supply and Drainage for GB50015-2019 Buildings (Implementation of 2020.3.1)

　

Technical code for GB50974-2014 fire water supply and fire hydrant system

　

GBT19228.1-2011 stainless steel clamping type pipe fitting assembly part 1 clamping type pipe fitting

　

GB-T19228.2-2011 stainless steel clamp type pipe fitting assembly part 2 thin wall stainless steel pipe for connection

　
< 123 >