Customer Service

YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified.

Customer Service

Services We Provide

Our main products are DC-DC Converters, AC-DC Converters, RJ45 Connectors, LAN Filters and various Transformers.

Service Features:
1. Independent R&D team provides technical development and product design consultation.
2. Strict quality management to achieve customer quality requirements and product certification.
3. Fast lead time and customized service to meet customer needs.
4. Continuously optimize the plant environment and equipment, not only have many years of manufacturing experience, but also continue to innovate.


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Power Converter | Transformer | Magnetic Component | YDS

Located in Taiwan, YUAN DEAN SCIENTIFIC CO., LTD., since 1990, is a power converter, transformer, magnetic component manufacturer in electronic component industry. Main product, including DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, Delay Lines, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank.

ISO 9001 & ISO 14001, IATF16949 certified power converter, high frequency transformer, magnetic component with reliable EMC and EMI / EMS / EDS lab tests. Power converter solutions for medical, railway, POE, etc.

YDS has been offering customers high-quality power converter, transformer, magnetic component, both with advanced technology and 25 years of experience, YDS ensures each customer's demands are met.