... auto air conditioning system.2.Aftermarket auto spare parts, OEM or customized service available.3.Supply ... , Germany, South America and Middle East areas etc.4.We make aftermarket auto parts for Audi /Benz /BMW ... can supply the sample if we have ready parts in stock, but the customers have to ... independent Technology Developing department (11-20 staff ) and Quality Contral department (11-20 staff ), each ...