Mainstar Industries Limited was established in Hong Kong on 1991 with a manufacturing plant in China. We specialize in custom manufacturing magnetic components including switching power transformers, modem transformers, line filters, pulse transformers and coupling transformers, toroidal chokes, inductors and etc.

Our plant in China is technically well equipped gearing to the production and on time delivery of premium magnetic components. The normal delivery time varies from 30 to 120 days depends on materials available.

In terms of quality, our engineer team has more than 20 years relevant experience to ensure excellent quality of products as well as competitive price.

If you are looking for an experienced and reliable transformer manufacturer, Mainstar is your best partner. You are cordially invited to submit your product specification today for our evaluation. We look forward to serving you and faciliting the profitable growth of your esteemed company.