Aluminum Extrusion Heatsink Our History Ningbo Yinzhou Hongyang Refrigeration Equipment Co., Ltd is found in 2008. Our Factory Ningbo Yinzhou Hongyang Refrigeration Equipment Co., Ltd. is a professional manufacturer engaged in the evaporator, condenser, it has a history of 10 years.At present, has become the focus of the domestic and foreign companies supporting units.Products are exported to...