Established in 1999 , Tianjin Grewin Technology Co.,ltd. has made a name for itself in the list of top suppliers of Transformer & Transformer Components ,Electrical Goods, Equipment & Supplies in China. The supplier company is located in Tianjin, Tianjin and is one of the leading sellers of listed products.Tianjin Grewin Technology Co.,ltd. is listed in Trade India's list of verified sellers offering supreme quality of Waterproof Toroidal Transformer for LED Lighting ,220V 24V Toroidal Transformer for Audio ,220V 24V Toroidal Power Transformer etc. Buy Transformer & Transformer Components ,Electrical Goods, Equipment & Supplies in bulk from us for the best quality products and service.