we are a professional manufaturer of all kinds of transformer in China.power transformer,dry type transformer,oil inmersered transformer,American box,ext.

To give  you a firm quotation,could you please provide the following parameter.

1.Dry type or Oil type transformer?
2.Where will you use the products?
3.How big the high(6kv-35kv)/low voltage(0.4kv), rated capacity(50kva-50000kva)?
4.what coil do you need ?copper coil or aluminium coil?
5.what is frequency?60hz or 50hz?
6.what's connection symtom? dyn11 or Yyn0 or others?
7.What's tapting vialation? +/- 5% or +/-2x2.5%