Over 35 years experience, Encapsulated PCB mounted toroidal 3V ac transformer,  Details data see below, 

Toroidal 3V ac transformer standard packing, hard strong cartons on plastic pallets, show below

We make packing mould based on each single product'ssize and shape to be sure they will fit perfectly in the carton and then we will put cartons onto a plastic pallet to be sure the transformers will be protected fully against the rough and long ocean shipment.

1) We supply our customers free samples and generally samples of toroidal 3V ac transformer can be finished within one week. But our customers will be required to pay for the samples shipping charge to customer's destination

2) We give our customers 2-year product warranty to better protect our customers' interests

3) 24 hours english hotline, 86-13207512928, for any product inquiry, after sales service or technical issues.

4) OEM and ODM are welcome

5) Factory visiting are warmly welcome

1) ISO9008:2001 implemented, we also apply 5S and6sigma into our production and quality control process

2) We have over 35 years of transformer designing and producing experiences. We started to supply transformers, inductors etc to domestic TV manufacturer and then we shifted our focus onto international markets. Now we export over90% of our products worldwide

3) Product capacity: we can produce 5-8million pieces transformer each year. We have around 300workers in our two factory locations.

4) Our quality control

First, we will do supplier auditions to choose qualified suppliers to start business with

Second, we only buy incoming material from the suppliers we have already audited

Third, we test all the incoming material

Fourth, We will make 5-10pieces samples out of the checked incoming materials before we start the mass production

Fifth, We do tests during production process, a few times 100% test

Sixth, we will do 100% of finished products

Seventh, test reports made by our QC department

Please check below chart as an example: