
Greatstone International Ltd. (GSI), is a quality driven, global sourcing company founded by a group of HVAC engineers having more than 60 years combined experience in the HVACR industry. We have a solid understanding of HVACR manufacturing needs.
With our headquarters in Ontario, Canada and branch office located in Shenzhen, China, GSI proudly offers a worry-free procurement process guaranteeing you quality products at competitive prices - delivered to you on time.
- ● Fan Guards
- ● Check Valve
- ● Coils
- ● Vibration Absorbers
- ● Fans & Impellers
- ● Connection Pipe
- ● Accumulators
- ● Copper Components
- ● Oil Separators
- ● Insulation Foam
- ● Driers & Filter
- ● Flex. Capillary Tube
- ● Receivers
- ● Compressors
We welcome RFQ for all HVACR standard &
custom-design components
New
Technology
Award Winning
Aluminum Connection Piping
Aluminum + Copper Pipe is just as effective as copper connection pipe ¨C but less expensive. Rigorously tested to meet specifications. Compatible refrigerants: R407, R410a and R22.
Application:Indoor/Outdoor A/C units




























