1. product name: structural pipe2. brand: ZGL3. OD: 180-377mm, WT:16-80mm4. Grade: 20#,45#,Q345,Q345B,Q345C,Q345D,20Mn2,30Mn2,40Mn2,20CrMo,30CrMo,35CrMo,42CrMo5. Standard: GBT/8162-996. Certification: ISO9001:2003, ISO9001:2008, KR7. Market: Southeastern Asia,Middle East,Afric...
Products: leak copper pipe,
structural insulated panels