We Promises That


R&D Team

Factory Price

11 years of experience in power converter R&D and manufacturing, focusing on the production and supply of DC-DC buck boost converters.
Founded in 2005, SUCH Ltd is a high-tech enterprise in Guilin City, located in Guilin Lingui High-tech Development Zone. We are committed to becoming a leading power solution provider, designing and manufacturing DC-DC power converters for global customers.
As a professional DC-DC converter manufacturer, SUCH develops, produces and sells a variety of DC-DC step up/down power converters, such as non-isolated boost DC-DC converters, non-isolated buck DC-DC converters, non-isolated regulated DC-DC converters, non-isolated buck-boost converters, isolated buck DC-DC converters, etc., which are widely used in alternative energy industrial equipment and automation, telecommunications, robotic vehicles and transportation, medical, etc. Today, we have established partnerships with many countries such as the United States, Australia, Japan, Europe, Canada, etc.







Quality DC-DC converter chips & materials

Material properties trial production

IPQC inspection in trial & mass production

Performance testing for IPQC inspection

1st silica gel & 2nd epoxy resin injection

Pack/kit/label test, OQC inspection & shipment

Performance testing for IPQC inspection

Burn-in testing during converter manufacturing

Epoxy resin injection for waterproofing

Performance testing for IPQC inspection





