| Hangzhou Meikong Automation Technology Co., Ltd | 2006-07-24 | Digital Pressure Switch, Vortex Flow Meter, Orifice Plate Flowmeter | 10000K CNY | Non pris en charge |
| Shanghai Longlv Electronic Technology Co., Ltd | 2012-10-17 | Digital Pressure Switch, Cantilever Beam Sensor, Pressure Switch | 10000K CNY | Non pris en charge |
| Shidefu Measurement and Control Technology (Shanghai) Co., Ltd | 2012-01-20 | Digital Pressure Switch, Intelligent Pressure Transmitter, Pressure Transmitter | 5000K CNY | Non pris en charge |
| Jiangsu Fenghui Instrument Co., Ltd | 2017-02-09 | Digital Pressure Switch, Magnetostrictive Liquid Level Meter, Pressure Gauge | 10000K CNY | Non pris en charge |
| Ningbo Musanjie Automation Technology Co., Ltd | 2020-07-22 | Digital Pressure Switch, Proximity Switch, Explosion-Proof Sensor | 1000K CNY | Non pris en charge |
| Sichuan Kerui Si Technology Co., Ltd | 2014-03-04 | Digital Pressure Switch, American Ai-Tek, Hydrotechnik, Germany | 10500K CNY | Non pris en charge |
| Hangzhou Miko Sensing Technology Co., Ltd | 2013-12-24 | Digital Pressure Switch, Vortex Flow Meter, Paperless Recorder | 10000K CNY | Non pris en charge |
| Xi'an Xinmin Electronic Technology Co., Ltd | 2000-06-28 | Digital Pressure Switch, Temperature Controller Switch, Gas Detector | 5000K CNY | Non pris en charge |
| Hangzhou Liance Automation Technology Co., Ltd | 2013-12-24 | Digital Pressure Switch, Online Dissolved Oxygen Analyzer, Digital Display Meter | 10000K CNY | Non pris en charge |
| Foshan Hedi Sensing Instrument Co., Ltd | 2009-04-13 | Digital Pressure Switch, Level Sensor, Displacement Sensor | 2004K CNY | Non pris en charge |