HVAC Experience and Expertise

Longer Leader established in Dongguan of China, the factory is York working background with more than 20 years in offering the best solutions in air conditioning and ventilation. Over the years, we are in continuous expansion and currently we have about 40 people includes engineers and workers. We constantly seek innovation and agility to serve our customers.

Custom Solutions for Better Building Environments

Our wide range of custom products and systems offers the flexibility you need to solve even the most challenging applications in many commercial and industrial field including data center, hospital, pharmaceutical,clean room, laboratory, subway, railway station ect..

• Air Handlers
• Cleanroom Systems
• Energy Recovery Systems
• Operating Room Systems
• Dry cooler
• Rotary dehumudifier
• Operating Room Systems
• Packaged Systems
• Replacement and Retrofit Solutions

Factory Information - Main facilities

Factory Information - Engineering team

The national registered HVAC engineers and thermal engineers has over 20 years experience
In serving the high-end HVAC distributors.

Factory Information - Production processes

The factory and workers are in rich experience on the manufacturing of HVAC products for over 20 years.

The production management are strictly follow the national standard even thought the international standard.