ZHEJIANG HANGZHOU RISHENG ELECTRIC HEATING PRODUCT CO,.LTD.  
PHONE：+86-571-86263545  
FAX：+86-571-86263330  
EMAIL：risheng@ttrisheng.cn  
Mr. Jin(General Manager)  : 13805776632  
Ms. Li(International Trade)  : 15372023725
Ms. Shen(Finance) : 13567111278