SRE was established since 1967 and has a respectable history of industry commitment in the air-conditioning discipline. Its major business horizon covers central MVAC system equipment, and premium quality operation and maintenance services for the government, utilities and institutional clients and the private sector.

In 1990, the company joined the Hong Kong L. P. Gas (Holdings) Ltd as its fully owned subsidiary. Under a total quality management system of the Group, SRE has combined professionalism and excellence to build on its strengths to fulfill all expectations from our clients. We have a great and yet expanding team of customer service and system maintenance professionals to fully support the operation of MVAC plants. "Customer Satisfaction" via continuous improvement is always our goal.