Kelvins specializes in R&D, filling and sales of refrigerants (freon). Its products cover mainstream fluids such as R22, R32, R134a, R404A, R407C, R410A, R507 and R290, widely used in residential A/C, commercial central A/C, automotive A/C, cold-chain logistics and industrial refrigeration. The company strictly follows national standards; every batch is tested by gas chromatography with purity stably above 99.9%, providing high-quality refrigerants and full technical support.
Located in the Economic & Technological Development Zone of Hefei, Anhui, the company operates a 6,000㎡ warehouse and its own filling line, equipped with gas chromatography and other testing instruments. Business scope: R&D, filling and sales of refrigerants; sales of refrigeration equipment parts; sales of chemical products (excluding hazardous chemicals); import and export trade.
Standardized control across sourcing, inspection and delivery; every batch is traceable and auditable.
Full hazardous-chemical business qualification; compliant storage and transport.
In-house lab issuing purity and impurity analysis reports for every batch.
Partner logistics cover the whole country; shipment within 24h in the Yangtze River Delta.
Zoned and ventilated; mainstream models kept in stock.
Senior engineers provide full-process support for selection, alternatives and charging.
After submitting your request, our technical consultant will contact you within 2 hours with model recommendations and the latest prices.