We, Mainstar Industries Limited, are incorporated in Hong Kong and have a manufacturing plant in China.

We are a company specialized in custom manufacturing magnetic components including switching power transformers, modem transformers, line filters, pulse transformers and coupling transformers, toroidal chokes, inductors and etc.

Our plants are technically well equipped gearing to the production and timely delivery of premium electronic components.

In terms of quality, our engineering team has more than twenty years relevant experience to ensure our quality excellence with very competitive price.

With our experience and low production costs in China, we believe we can supply you dependable good quality products at a very competitive price and on time delivery.

If you are searching for an experienced and reliable transformer manufacturer, MAINSTAR should be your important partner. You are cordially invited to submit your product specification today for our evaluation. We sincerely look forward to serving you and facilitating the profitable growth of your esteemed company.