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กด | Yuhchang was established on April 28, 1967 with capital of NT$ 4 million (US$ 100,000), and began to manufacture chargeable lights, emergency lights safety lights for
mine use, and concrete liquid battery. |
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กด | Capital increased up to NT$ 6 million (US$150,000) in 1970, we imported
foreign advanced technology to produce high & low voltage capacitors. |
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กด | In 1973, capital reached to NT$ 10 million, and the company was certified
as a qualified factory by Taiwan Power Company. |
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กด | In 1977, the company was rated grade A in terms of qualified exporter and
quality control factory by Merchandise Office of Economic Association (MOEA).
Taipei branch has been established since. |
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กด | In 1978, high & low voltage capacitors were granted the No.2845 and 2846
CNS
Mark by Central Standard Department. Kaoshiung branch has been established
since. |
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กด | In 1979 with increasing capital of NT$19 million (US$ 500,000), square type capacitors
used for electrical apparatus were successfully developed. |
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กด | In 1983 with capital of NT$ 30 million (US$ 750,000), MF low voltage
capacitors were successfully developed. |
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กด | In 1985, capacitors for induction cookers and microwave were developed. |
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กด | In 1987 with capital of NT$36 million (US$1,200,000) and increase of factory
area 1,800 square meters, new model dry type capacitors, YE-P type, used for
internal protection of electrical apparatus were approved by American UL
standard. |
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กด | In 1988 with capital of NT$50 million (US$1,750,000), emergency lights were
granted the No.5053 CNS Mark by Central Standard Department. |
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กด | With capital of NT$60 million (US$2,220,000) in 1990, 7.35KV and 14.7KV
capacitors were certified by Taiwan Power Company. |
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กด | In 1992, capacitors for electrical apparatus were approved by American
UL
standard. Taoyung branch has been established since. |
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กด | In 1994 with capital of NT$80 million (US$3 million), capacitors, S series,
used for electrical apparatus were certified by Germany VDE standard.
Quality approval of ISO 9002 standard were certified. |
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กด | In 1994, acquired ISO 9002 for capacitors. |
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กด | In 1997, acquired ISO 9002 for emergency lights. |
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กด | In 2001, acquired ISO 9001:2000 for capacitors. |