| Manufacturer country / location | Manufacturer | Certificate No | | | Issue date | Apparatus | |
|---|
| 97 |  Australia |  |
| 6 | Austria | |
| 10 | Belgium | |
| 9 | Brazil | |
| 51 | Canada | |
| 72 |  China | |
| 4 | | ABB Engineering (Shanghai) Ltd. | |
| 2 | | ASCO Valve (Shanghai) Co. Ltd | |
| 7 | | Cooper Electronic Technologies (Shanghai) Co., Ltd. | |
| 2 | | CZ EXPLOSION-PROOF ELECTRIC APPLIANCES Co., LTD. | |
| 2 | | Dalian HERMETIC Pump Co., Ltd. | |
| 1 | | Emerson Machinery Equipment (Shenzhen) Co. Ltd | |
| 1 | | Honeywell (Tianjin) Limited | |
| 1 | | Jiamusi Coal Mining Machinery Co., Ltd. | |
| 1 | | JIANGSU HUAYAN MARINE EQUIPMINT CO., LTD. | |
| 1 | | Jianhui Plastic & Electronic Industry (Shenzhen) Co Ltd | |
| 1 | | Mettler-Toledo Instrument (Shanghai) Co., Ltd. | |
| 3 | | Mettler-Toledo (Changzhou) Measurement Technology Ltd. | |
| 1 | | OCEAN’S KING LIGHTING SCIENCE & TECHNOLOGY CO., LTD | |
| 2 | | Shenzhen Infinova Limited | |
| 2 | | SHENZHEN KHJ SEMICONDUCTOR LIGHTING CO., LTD | |
| 2 | | Shijiazhuang ZhongMei Coal Mine Equipment Manufacture Co., Ltd | |
| 1 | | Tianjin Sida Electric Motor Co., Ltd. | |
| 1 | | Warom Group Co., Ltd. | |
| 28 | | Warom Technology Incorporated Company | |
| 1 | | Warom Technology Incorporated Company | |
| 1 | | Wuhu Jiahong New Material Co., Ltd | |
| 1 | | Wuxi Aphe Flow Smart Controls Maker Co.,Ltd. | |
| 1 | | Wuxi Wilson Flow Control Technology Co., Ltd. | |
| 2 | | Wuxi Xishan Anda Explosion-proof Electrical Equipment Co., Ltd. | |
| 1 | | Wuxi Xishan Anda Explosion-proof Electrical Equipment Co., Ltd. | |
| 1 | | Zhejiang Chunhui Intelligent Control Co. Ltd. | |
| 1 | | Zhenjiang Dongfang Electric Heater Co., Ltd | |
| 8 | Czech Republic | |
| 35 | Denmark | |
| 38 | Finland | |
| 83 | France | |
| 1 | France Metropolitain | |
| 697 | Germany | |
| 1 | Hungary | |
| 12 | India | |
| 1 | Indonesia | |
| 4 | Iran | |
| 2 | Ireland | |
| 11 | Israel | |
| 136 | Italy | |
| 88 | Japan | |
| 84 | Korea, Republic of | |
| 1 | Malaysia | |
| 1 | Mexico | |
| 5 | New Zealand | |
| 27 | Norway | |
| 23 | Poland | |
| 4 | Portugal | |
| 1 | Romania | |
| 3 | Russian Federation | |
| 23 | Singapore | |
| 11 | Slovenia | |
| 4 | South Africa | |
| 3 | Spain | |
| 24 | Sweden | |
| 54 | Switzerland | |
| 4 | Taiwan | |
| 27 | The Netherlands | |
| 3 | Turkey | |
| 1 | United Arab Emirates | |
| 477 | United Kingdom | |
| 545 | United States of America | |
| 2,687 | | |