About Tin Sing 

Tin Sing Chemical Engineers Ltd is certified with ISO 9001:2015 quality management system. It was founded in 1965 and became a subsidiary of REC Engineering Co. Ltd. in 1993. With over 50 years of experience, we advanced from supply of chemicals and cleaning detergent in the early years into a water treatment and engineering specialist today. We have been a preferred service provider for Government Departments, Hotels, Education Institutes, Engineering Contractors, Hospitals, Shopping Malls, Commercial and Industrial Buildings, etc.

We endeavor to provide comprehensive water treatment services and continue to perfect our products and services. At present our business can be found in Mainland China, Hong Kong and Macau, and we look forward to expanding our service area in the coming future.

Our Mission

Tin Sing Chemical Engineers Ltd. is a pioneer in offering solutions to customers with innovative technologies and high performance to address the unique environmental needs of Hong Kong.