The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Tongchi Auto Air Conditioner Manufacturing 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 radiator fan assembly before they are shipped.

TOCH has grown to be one of China’s leading suzuki cooling fan exporters resulting in economies of scale and a competitive advantage. TOCH's main products include mercedes cooling fan series. The additional functionality of this product further meets the customers needs. The product has been verified by the third-party authorities that it can eliminate and remove the pesticide and chemical residues.

We respect our environment during our production. We adopt an efficient process by mainly reducing greenhouse gas emissions, energy consumption, solid landfill waste, and water consumption.