WenzhouCity Bonai Auto Radiator Co.,Ltd . originated from Ruian City RuiaoAuto Parts Co.,Ltd was established in 2002, and it is locatedin the capital of China auto parts â Wenzhou City . We areprofessional manufacturer of aluminium oil coolers, stainless steeloil coolers and oil cooler side covers for various carbrands.After 8yearsâ development, it has become a research and development,production, sales and service in one of the professional suppliers.Our company has strong technical force and excellent manufacturingand testing equipment. With complete specifications, high qualityand reasonable price, products are sold all over China and exportedto North America, South America, Southeast Asia, Middle East,Europe, etc.