Home / Standards / GB/T 45355-2025 GB/T 45355-2025 Active Polyethylene(PE) piping systems for non-pressure buried drainage and sewerage 无压埋地排污、排水用聚乙烯(PE)管道系统 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A