Changzhou Sida Power Supply Co. , Ltd, the member of china power supply institute as well as a subsidiary companyof Changzhou Huagao Industrial(Group)Co. , Ltd, professionally manufactures and markets switching power supply, stereo sets and related electronic products, and also we provide special products according to customers' requirement.

We have solid technical power and has accumulated rich experiences in R&D, and producting switching power supply, stereo sets and related electrical products. We are well furnished with advanced production equipment, including plug-in uni productionline, debugging line, assembly line, ware solderer, test instrument and degardation testing instrument, etc. All of our production facilities are certified to ISO9002, part of our products are qualified to CCEE and the switching power supply for DVD is certified to UL and CE.

According to the running mission of " Quality First and Customer Foremost", Sida is committed to providing customers with quality products, perfect service and fast delivery at competitive pricing.