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Tianjin Grewin Technology Co.,Ltd.

About Cable Locator:
Mail:‍ ‍‍salesmanager@grewin-tech.com 
Wechat/WhatsApp: +86-13072088960  
Skype:lialice99   TEL:+86-22-84943756   
Address:  No.16 DongTing Road,Hexi Distr,300222,Tianjin China.  

About Transformer:
Mail: sales1@grewin-tech.com 
TEL:86-22-84943756   
Address: No.16 DongTing Road,Hexi Distr,300222,Tianjin China.