| Shaanxi Linsu Pipeline Technology Co., Ltd | 2022-01-27 | Muhdpe Double Wall Corrugated Pipe, Ductile Iron Manhole Cover, Polyurethane Insulation Pipe | 5180K CNY | Supported |
| Shaanxi Aoyu Industrial Co., Ltd | 2021-08-20 | Muhdpe Double Wall Corrugated Pipe, Pe Replacement Pipe, Deformed Steel Bar | 500K CNY | Supported |
| Shandong Runxing Electric Power Pipe Co., Ltd | 2016-07-28 | Muhdpe Double Wall Corrugated Pipe, Pe Perforated Pipe, Pert2 Type Heating Pipeline | 20000K CNY | Supported |
| Zibo Hezhetong Pipe Industry Co., Ltd | 2011-12-05 | Muhdpe Double Wall Corrugated Pipe, Alloy Tube, Wrapped Drainage Pipe | 16200K CNY | Supported |
| Shaanxi Pinshibang Pipe Industry Co., Ltd | 2022-02-21 | Muhdpe Double Wall Corrugated Pipe, Double-Wall Corrugated Pipe, Polyethylene Composite Pipe | 3000K CNY | Supported |
| Shaanxi Qiansu Pipeline Technology Co., Ltd | 2022-01-27 | Muhdpe Double Wall Corrugated Pipe, Electric Melting Flange, Pe Conduit | 6180K CNY | Supported |
| Shaanxi Konafei Pipe Industry Co., Ltd | 2022-02-23 | Muhdpe Double Wall Corrugated Pipe, Frpp Shaped Ribbed Molded Drainage Pipe, Aluminum Alloy Lined Ppr Water Supply Pipe | 3000K CNY | Supported |
| Guangdong Tongsu Pipe Industry Co., Ltd | 2010-07-30 | Muhdpe Double Wall Corrugated Pipe, Pp High Reinforcement Polyethylene (Hdpe) Wrapped Pipe, Muhdpe Double Wall Corrugated Pipe | 58000K CNY | Not Supported |
| Shaanxi Yunxiang Future Pipeline Technology Co., Ltd | 2022-01-26 | Muhdpe Double Wall Corrugated Pipe, Hdpe Hollow Wall Winding Pipe, Separated Oil Well | 5180K CNY | Not Supported |
| Shaanxi Gangchu Building Materials Co., Ltd | 2024-01-26 | Muhdpe Double Wall Corrugated Pipe, Hexagonal Tube, Coated Composite Steel Pipe | 1000K CNY | Supported |