Milestones and Achievements of Yuhchang Electric

Table of Contents

Milestones and Achievements of Yuhchang Electric
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Yuhchang Electric Co., Ltd. was founded on April 28, 1967, with an initial capital of NT$4 million (US$100,000). The company began by manufacturing chargeable lights, emergency lights, safety lights for mining, and concrete liquid batteries. Over the decades, Yuhchang has consistently expanded its product range, increased its capital, and achieved numerous certifications and technological breakthroughs. Below is a chronological summary of the company’s key milestones:

Key Historical Developments
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1970: Capital increased to NT$6 million (US$150,000). The company imported advanced foreign technology to produce high and low voltage capacitors.
1973: Capital reached NT$10 million. Yuhchang was certified as a qualified factory by Taiwan Power Company.
1977: Rated Grade A as a qualified exporter and quality control factory by the Merchandise Office of Economic Association (MOEA). The Taipei branch was established.
1978: High and low voltage capacitors received CNS Mark No. 2845 and 2846 from the Central Standard Department. The Kaoshiung branch was established.
1979: Capital increased to NT$19 million (US$500,000). Successfully developed square-type capacitors for electrical apparatus.
1983: With capital at NT$30 million (US$750,000), MF low voltage capacitors were successfully developed.
1985: Developed capacitors for induction cookers and microwave ovens.
1987: Capital increased to NT$36 million (US$1,200,000) and factory area expanded by 1,800 square meters. New model dry-type capacitors (YE-P type) for internal protection of electrical apparatus were approved by the American UL standard.
1988: Capital increased to NT$50 million (US$1,750,000). Emergency lights received CNS Mark No. 5053 from the Central Standard Department.
1990: Capital increased to NT$60 million (US$2,220,000). 7.35KV and 14.7KV capacitors were certified by Taiwan Power Company.
1992: Capacitors for electrical apparatus approved by the American UL standard. Taoyung branch established.
1994: Capital increased to NT$80 million (US$3 million). S series capacitors for electrical apparatus certified by Germany’s VDE standard. Achieved ISO 9002 quality approval for capacitors.
1997: Acquired ISO 9002 certification for emergency lights.
2001: Achieved ISO 9001:2000 certification for capacitors.
2003: Successfully developed round-type aluminum can dry-type low voltage capacitors.
2004: Acquired ISO 9001 certification for capacitor banks and module capacitors.
2005: Developed copper-bar conduction cooling high-frequency capacitors. All electric apparatus capacitors conformed to RoHS requirements.
2009: Achieved ISO 9001:2008 certification by BSMI.
2010: Designed new capacitor banks with individual phase compensation for Taichung new city hall.
2012: Acquired CSA and UL 810 AFC 10000A safety approval for YBP capacitors. VDE approval for motor running capacitors (400Vac, 1μF to 7μF, P0, Class B).
2015: Developed downsized oil-type low voltage capacitors with flat elements. Acquired UL safety approval for additional YFP capacitor ranges.
2016: Renewed precision C & DF meter for high voltage capacitors. Began producing power electronics capacitors. Acquired UL 810 AFC 10000A safety approval for C-type N2-filling low voltage capacitors.
2017: VDE approval with safety S3 and life class C for box-style motor running capacitors (450Vac, 1.5 to 8μF). Celebrated the 50th anniversary of Yuhchang. Acquired ISO 9001:2015 certification by ETC in Taiwan.
2018: Acquired TUV approval for box-style motor running capacitors.
2019: Achieved ISO/IEC 17025:2015 and CNS 17025:2018 approval.
2020: Acquired UL 810 AFC 10000A safety approval for oil-type low voltage (max. 525VAC) capacitors.
2021: VDE approval with safety S3 and life class B for box-style motor running capacitors (400Vac).