About Us

Who We Are?

In brief, we’re a top 3 quality HVAC refrigeration vacuum pump manufacturer from China.

Coolink was founded in 2007. Yangyi, the original name of the company, has a profound meaning that a new hope will be given to the strugglers once the sun rises. With this hope and enthusiasm, Coolink developed a full range of quality vacuum pumps, recovery machines and various HVAC tools over the next few years.

To meet the trend of the industry, new products are continuously developed by the R&D team, which consists of people who have professional expertise.  Meanwhile, the manufacturing is well organized according to ISO 9001 management, which realizes the new designs with ensured quality control, lean production and on-time delivery. With such efforts, Coolink becomes top 3 quality manufacturer in the global HVACR vacuum pump industry. 

As a reliable partner, we always welcome customers to grow together with us and we aim to constantly satisfy you with quality products and services.

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.