Hebei San Riwa Trading Co., Ltd.is a professional manufacturer and trader,specialised in thedesign,development and production of Exhaust Corrugated Flexible Pipe,exhaust hanger hook and plastic injection parts.And have three subsidiary corporations for production and processing.We are located in Hebei Province with convenient transportation access.We are also one of the best OEM exhaust system factories in China,strictly complying with ISO9001 standard.As the result of our high quality and outstanding customer service,our export sales network have reached many countries.We are really appreciated for their support and trust to us.We keep living up to the belief of:"Simple business,Best quality and more benefits to customers.