Top One Power Limited offers CE Certified diesel generators and all-round energy solutions powered by leading brands like Cummins and Scania. We specialise in customised soundproof enclosures, ranging from 25 kVA to 2500 kVA (20 kW to 2000 kW), and offer marine generators and spare parts for the global diesel genset market.

We leverage over 60 years of experience from our parent company, Yip Shing Diesel Engineering Co. Ltd. Within the group, we are an authorised OEM for Cummins Inc. and Chongqing Cummins, and expanded into solar energy solutions.

Our headquarters in Hong Kong houses manufacturing facilities and a self-owned warehouse, ensuring quality from assembly to control. We have also expanded operations in Myanmar, Thailand and more. Customer satisfaction is our top priority; we are determined to maintain the best product quality, satisfying customers' demands.