2. Nuoro China Co., Ltd. brand Nuoro Technology made in China
3. Isapu Kintag (Beijing) Co., Ltd. brand Isapu Technology Germany
4. Oudebao Technology Germany of Oudebao (Beijing) Energy Equipment Co., Ltd.
5, independent research and development of Longxing Technology of Lanzhou Longxing Revolkai Heating Equipment Co., Ltd.
6, brand Yuma Technology Germany of Tianjin Martin Kang Hua Stainless Steel Products Co., Ltd.
7, Beijing heatwave radiator co., ltd. brand heatwave technology Italy
8, Foshan Sunflower radiator co., ltd. brand Sunflower technology independent research and development
9, Florence radiator co., ltd. brand Florence technology Europe
1, gold flagship radiator co., ltd. brand gold flagship technology domestic.