Quality

Product quality and enhance customer profit。

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Service

Integrity services to obtain customer trust.

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Promise

Sense of responsibility and commitment to customer satisfaction.

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company milestones

2009         Yuyang Co., Ltd founded. (Capital NT$ 1,000,000)

2009-7     Imported Asian semic。onductor. Lead frame process (copper ball, copper plate)

2010-2     Imported Asian semiconductor. Bumping process (Flux).

2010-3     Imported Asian semiconductor. Ball mount process (Machine related parts)

2011-5     Imported Asian semiconductor. Bumping process ( EU, solder paste)

2011-6     Selected as the ISO 9001 Certification.

2011-11   Imported Asian semiconductor. Bumping process (Ti Etchant).

2012-6    Increased capital to NT$ 15,000,000.

2012-12  Imported Asian semiconductor. Bumping process (Ag Etchant).

2013-1    Agency of Eternal Materials Co., Ltd. (The chemical materials of fibre optic screen and semiconductor package testing) 

2013-7     Imported Asian semiconductor. Bumping process (PSPI).

2013-9     Imported Asian semiconductor. Bumping process (De flux).

2013-12   Imported Asian semiconductor. Bumping process (Dry Film PR Stripper).

2014-1     Imported Asian semiconductor. (High temperature observation equipment).

2014-4     Imported Asian semiconductor. (Plate Heater)

2015-9     Imported Asian semiconductor. TSV process (Agency of the Polishing Slurry by Versum Material Technology LLC).

2016-3     Imported Asian semiconductor. TSV process (Agency of chemical liquid by Versum Material Technology LLC).

2016-3     Imported Asian semiconductor. TSV process (Agency of Sliver Conductive Paint by Versum Material Technology LLC).

2016-6    Imported Asian semiconductor. (Agency of Optical Adhesive by Eternal Materials Co., Ltd.)

2017-6    Imported Asian semiconductor. Bumping process (Liquid Film PR Stripper).