| Xiongxian Kaiqin Plastic Products Co., Ltd | 2012-08-27 | Structured Wall Type A Pipe3125759, Pvc Water Supply Pipe, Carbon Corrugated Pipe | 1000K CNY | Not Supported |
| Shandong Runxing Electric Power Pipe Co., Ltd | 2016-07-28 | Structured Wall Type A Pipe3125759, Non Excavation Pe Top Pipe, Prestressed Plastic Corrugated Pipe | 20000K CNY | Supported |
| Shaanxi Linsu Pipeline Technology Co., Ltd | 2022-01-27 | Structured Wall Type A Pipe3125759, Pvc Water Supply Pipe, Pvc-U Double-Layer Axial Hollow Wall Pipe | 5180K CNY | Supported |
| Shaanxi Konafei Pipe Industry Co., Ltd | 2022-02-23 | Structured Wall Type A Pipe3125759, Pvc-Uh Water Supply Pipe, Hdpe Plastic Steel Wrapped Pipe | 3000K CNY | Supported |
| Guangzhou Liandafa Building Materials Co., Ltd | 2019-03-01 | Structured Wall Type A Pipe3125759, Gas Pipe, | 1000K CNY | Supported |
| Hebei Qianzheng Plastic Products Co., Ltd | 2023-05-11 | Structured Wall Type A Pipe3125759, Hdpe Carbon Pipe, Hdpe Double Wall Corrugated Pipe | 3000K CNY | Not Supported |
| Dry Solid Plastic Products Hebei Co., Ltd | 2023-09-19 | Structured Wall Type A Pipe3125759, Pert Underfloor Heating Pipe, Pvc-O Water Supply Pipe | 36000K CNY | Not Supported |
| Hebei Shentong Plastic Industry Co., Ltd | 2011-04-29 | Structured Wall Type A Pipe3125759, Double-Wall Corrugated Pipe, Pe Pipe Fittings | 50000K CNY | Supported |
| Shaanxi Pinshibang Pipe Industry Co., Ltd | 2022-02-21 | Structured Wall Type A Pipe3125759, Ppr Aluminum-Plastic Steady-State Pipe, Pe Solid Wall Drainage Pipe | 3000K CNY | Not Supported |
| Anhui Shangyang Pipe Industry Technology Co., Ltd | 2019-11-07 | Structured Wall Type A Pipe3125759, Corrugated Pipe, Hollow Wall Wrapped Pipe | 20000K CNY | Not Supported |