Shanghai Hongye Technology Ltd. is a scientific and technological enterprise focusing on the research, development, design and production of fire detection tubes. It is the earliest manufacturer in China to develop and produce fire detection tubes, and constantly develops fire detection tubes suitable for different environments, such as ultra-high temperature resistant fire detection tubes, low temperature resistant fire detection tubes, electric shock resistant fire detection tubes and double-layer high-barrier fire detection tubes. In the past, we manufactured fire detection tubes for well-known enterprises at home and abroad, and our products were certified by UL94, ROHS, CE and EN. We can develop customized fire detection tubes according to the parameters provided by customers. As long as you authorize us, you can own fire detection tubes with your trademark.