| Yanggu Huatong Automation Equipment Co., Ltd | 2012-06-15 | Hot Dip Galvanized Trunking, Cable Tray, Distribution Cabinet | 100000K CNY | Compatible |
| Langfang Wanbo Cable Tray Co., Ltd | 2014-03-19 | Hot Dip Galvanized Trunking, Fireproof Spray Bridge, Cable Tray | 10000K CNY | No compatible |
| Shandong Xinming Electrical Equipment Co., Ltd | 2018-12-24 | Hot Dip Galvanized Trunking, National Standard Hot-Dip Galvanized Bridge Frame, Cable Tray | 21000K CNY | Compatible |
| Shandong Chengrui Electric Power Equipment Co., Ltd | 2022-11-17 | Hot Dip Galvanized Trunking, Galvanized Hot-Dip Galvanized Bridge Frame, Stainless Steel Cable Tray | 15000K CNY | Compatible |
| Langfang Gaoxin Metal Products Co., Ltd | 2020-11-12 | Hot Dip Galvanized Trunking, Stainless Steel Cable Tray, Aluminum Alloy Cable Tray | 1000K CNY | Compatible |
| Guangdong Lianbiao Cable Tray Industrial Co., Ltd | 2015-09-08 | Hot Dip Galvanized Trunking, Fiberglass Cable Tray, Galvanized Conduit | 11680K CNY | No compatible |
| Langfang Changtu Metal Products Co., Ltd | 2017-01-19 | Hot Dip Galvanized Trunking, Stainless Steel Cable Tray, Galvanized Cable Tray | 5000K CNY | Compatible |
| Shandong Alto Sen Electrical Equipment Co., Ltd | 2021-12-14 | Hot Dip Galvanized Trunking, Galvanized Cable Tray, Cable Tray | 3000K CNY | Compatible |
| Shandong Weiteli Electric Co., Ltd | 2019-10-12 | Hot Dip Galvanized Trunking, Hot Dip Galvanized Cable Tray, Stainless Steel Cable Tray | 101600K CNY | Compatible |
| Shandong Pengda Changye Electrical Equipment Co., Ltd | 2020-05-19 | Hot Dip Galvanized Trunking, Stainless Steel Cable Tray, Fireproof Cable Tray | 5000K CNY | Compatible |