長建化学投与システム
We are Shanghai Changjian Hotel Equipment Co., LTD. Over the past 15 years, it has been committed to the development, production and sales of dispensers used in various fields. In recent years, we have continuously developed and innovated to improve product features and user experience. This time, the company will also participate in the HCJ2024 exhibition in Japan, and will continue to exchange learning and make continuous progress while expanding overseas business.