The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Hangzhou E cool refrigeration Co.,Ltd. This inspection is done according to standard QC Test, or based upon customer requirements. Samples are selected and inspected for defects at random, according to these standards and procedures. For us, Pre-Shipment Inspection is an important step in the quality control process and is the method for checking the quality of hcfc refrigerant before they are shipped.

E cool is an experienced manufacturer. Over the years, we mainly focus on the developing, manufacturing, and exporting of refrigerant gas suppliers. E cool's hc refrigerant is various in types and styles to meet the different needs of customers. Arkool r22 gas refrigerant is fabricated using the best grade raw material and sophisticated technology. Its heat exchangers, pipes and components are selected to reduce the amount of refrigerant in the system without reducing energy efficiency. hcfc refrigerant, by adopting r22 gas refrigerant, is conducive to showing the uniqueness of this product. It can be used in the air conditioning system in newer automotive vehicles.

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