About Us

Who We Are?

As a prominent Chinese manufacturer, we proudly stand among the top 3 global HVAC refrigeration vacuum pump makers.

Established in 2007, Coolink, also known as Yangyi, embodies the essence of providing fresh hope to those facing challenges, akin to the sunrise. Fueled by this spirit, Coolink swiftly developed a comprehensive range of top-notch vacuum pumps, recovery machines, and diverse HVAC tools in subsequent years.

Our dedicated R&D team, made up of experienced experts, focuses on creating innovative products that align with industry trends. We uphold the rigorous ISO 9001 standards to guarantee careful quality control, lean production, and on-time delivery. These combined endeavors have elevated Coolink to a respected position as the third-ranked global manufacturer in the HVACR vacuum pump sector.

Recognized as a steadfast partner, we extend a warm invitation to join us in a journey of shared growth. Trust in Coolink for premium products and exceptional service that consistently exceed expectations.

Contact Us today to see how we can help you.

quality hvac refrigeration vacuum pump manufacturer plant

Production & Testing

Every piece is seriously tested before delivery.

Certificate and Patent

All necessary certificates for export are available, including CE and ETL.


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The bitterness of poor quality remains long after the sweetness of low price is forgotten. 
– Benjamin Franklin
Top 3 Global HVAC Refrigeration Vacuum Pump Manufacturer

Work With Us

secured quality (quality hvacr vacuum pumps)

The stable performance is confirmed by the end users more than one decade.

cost effective quality hvacr vacuum pumps vacuum pumps

Low margin policy makes our products cost-effective for the customers.

cost effective quality hvacr vacuum pumps

Well organized sourcing and production ensure on-time shipment.

cost effective quality hvacr vacuum pumps

Engineers provide prompt technical support to solve your problems if any.

after-sales-service (quality hvacr vacuum pumps)

Good service can be expected even the product is out of warranty.