| Shandong Zhongtan Intelligent Equipment Co., Ltd | 2022-03-01 | Waterproof Socket Box, Steel Products, Explosion-Proof Electrical Equipment | 10000K CNY | Поддерживается |
| Manekos Industrial Electrical (China) Co., Ltd | 2011-12-15 | Waterproof Socket Box, Industrial Socket, Industrial Connector | 50000K CNY | Не поддерживается |
| Zhejiang Tengxuan Explosion proof Electrical Appliance Co., Ltd | 2015-09-24 | Waterproof Socket Box, Explosion-Proof Control Box, Explosion-Proof Distribution Box | 51800K CNY | Поддерживается |
| Shanghai Qinlan Electrical System Engineering Co., Ltd | 2012-02-21 | Waterproof Socket Box, Automotive Control Power Controller, Steel Plate Junction Box | 11000K CNY | Поддерживается |
| Zhongtan Intelligent Technology (Jining) Institute | 2022-10-09 | Waterproof Socket Box, Ventilation And Safety Equipment, Rescue Category | 1000K CNY | Поддерживается |
| Zhongzhong Intelligent Equipment Co., Ltd | 2018-11-14 | Waterproof Socket Box, Ventilation And Safety Equipment, Chemical Industry | 50000K CNY | Поддерживается |
| Huakuang Heavy Industry Co., Ltd. First Branch | 2023-02-10 | Waterproof Socket Box, Lifting Equipment, Steel Products | - | Поддерживается |
| Shandong Huakuang High tech Development Co., Ltd | 2024-02-29 | Waterproof Socket Box, Lifting Equipment, Road Machinery | 3000K CNY | Поддерживается |
| Yusheng Electric Co., Ltd | 2018-07-25 | Waterproof Socket Box, Waterproof Control Box, Stainless Steel Box Type Substation | 50000K CNY | Не поддерживается |
| Hebei Zengxin Explosion proof Electrical Instrument Co., Ltd | 2018-01-03 | Waterproof Socket Box, Explosion-Proof Junction Box, Stainless Steel Explosion-Proof Pipe | 15000K CNY | Поддерживается |