What kind of car is the original factory that supports Deutsche Bahn refrigerant?

Volkswagen. According to the Automotive Maintenance Technology Network, many of Volkswagen's original engine oils are made by the German Alliance. Many products of the German Alliance include brake oil, antifreeze, transmission oil and refrigerant, and they are all matched. Brief introduction of Guangdong Delian Group Co., Ltd. Guangdong Delian Group Co., Ltd. (hereinafter referred to as Delian Group) is a company specializing in the production of antifreeze, brake fluid, automatic transmission oil, power steering oil, engine oil, vehicle glass adhesive and structural adhesive, refrigerant, fuel detergent and other automobile original spare parts and care products.