Qingdao Hengfengshuai Electric Co., Ltd     

Hotline:+86 532-87936207     

Address: No. 251, Xingyang Road, Chengyang District, Qingdao, Shandong

Email: hfs@hengfengshuai.com      

Customer service email: service@hengfengshuai.com      

website:https://www.hengfengshuai.com