
About Shier Yir Group


Shier Yir Plastics Co., Ltd. was established in 1978. From its early days of traditional plastic injection, it has now transformed into the manufacturing of high-tech plastic-related products. It has always been leading the industry in high-end technology, advanced equipment, and the concept of pursuing excellence, and has continued to innovate. Shieryir Plastic's main businesses are design, molds and plastic-related products for automobiles, aerospace, network communications and consumer electronics. In addition to the current operation center in Taipei, Taiwan, the group also includes a 6,000 square meters Taichung factory, a 35,000 square meters Dongguan factory in China, and production bases in multiple locations in Southeast Asia.

Group's business philosophy
Wisdom creates technology, unlimited technology, unlimited wisdom
Technology is changing with each passing day. Only by using wisdom to continuously improve technology and seek innovation and change can we keep pace with the times. Since its establishment, Shier Yir Plastics Co., Ltd. has treated every customer with integrity and conscience, and has been consistent along the way. It is fate that people can get together, so we must treat every employee with an attitude of mutual trust and cherishment. We also hope that with the joint efforts of all employees, Shier Yir will grow stronger, become the top benchmark in the industry, and make more contribution to society.
Wall inscription on the lobby of Dongguan Xieyu Factory
Group Milestone

1978
-Shier Yir Plastics Co., Ltd. was established in Taipei.
1982
-Expanded export business, applied for U/L safety regulations, and passed the assessment.
1989
-Promoted color management, won the championship in the evaluation of Taiwan’s Ministry of Economic Affairs, and became a [Model Factory] in Southeast Asia.
1992
-Implemented CWQC (Company Quality Control).
1996
-Tadport Technology Assembly and Production was added and started operation, and it entered into technology-related plastic products.
- ISO9002 quality management system introduced.
1997
- Won the Blue-Chip [Outstanding Manufacturer] Award from Quanta Computer for three consecutive years.
2000
-Established Shier Yir Plastics Factory No. 2.
-Introduction of ISO14000 environmental management system.
2001
-Introduction and setup of dust-free environment production system.
-Became the first company in Taiwan to introduce IMR (Plastic injection In Molding Roller system) in-mold thermal transfer production system.
2003
-Established Xieyu Factory in Dongguan, China.
2004
-Established VMI warehouse in Suzhou, China.
-Xieyu Factory in Dongguan, China evaluated and introduced ISO14000/QC080000 system certification.
2005
-The IMR dust-free environment production workshop of Xieyu Factory in Dongguan, China was established.
2006
-Xieyu Factory in Dongguan, China, obtained ISO/TS16949 certification [automotive certification].
2013
-The company has officially introduced interior and exterior automotive parts and accessories, and started producing automotive plastic product parts for TOYOTA and HONDA car manufacturers.
2015
-Established Shier Yir Plastics Taichung Factory to mainly produce 3C and automotive plastic products.
2017
-Shier Yir Plastics Co., Ltd. (Taichung Factory) passed ISO9001 certification.
-Shier Yir Plastics Group cooperates to develop new material OAC.
2018
-Shier Yir Plastics Co., Ltd. (Taichung Factory) passed the IATF16949 certification [automotive certification].
2019
-Shier Yir Plastics Co., Ltd. (Taichung Factory) passed ISO14001 [Environmental Management System Certification]/AS9001 certification [Aerospace Certification].
-Carry out overseas investment and integrate resources. Strategically cooperate with local manufacturers in Southeast Asia (Vietnam/Indonesia/Thailand) to increase production bases.
Group Recognition and Honors
1986 Awarded the "Central Satellite Factory" by the Industrial Bureau of the Ministry of Economic Affairs.
1989 Promoted color management and won the "Champion" evaluation by the Ministry of Economic Affairs, and was listed as a "Model Factory" of the central satellite factory.
1996 Passed ISO9002 quality control certification.
1997 Won the Quanta Computer [Outstanding Manufacturer] Award for three consecutive years.
2004 Dongguan Xieyu Factory in China passed ISO9001 certification.
2005 Dongguan Xieyu Factory in China passed ISO14001 certification.
2007 Dongguan Xieyu Factory in China passed ISO/TS16949 certification.
2008 Dongguan Xieyu Factory in China passed QC080000 certification.
2017 Shier Yir Taichung factory passed ISO9001 certification.
2018 Shier Yir Taichung factory passed IATF16949 certification.
2019 Shier Yir Taichung factory passed ISO14001/AS16949 certification.
2019 Shier Yir Taichung Factory won the Kenjou Industrial [Quality Progress] Award.
2023 Shier Yir Group won the Feihong Technology [Best Quality] Award.
2023 Shier Yir Taichung Factory won the Kenjou Industrial [Quality Progress] Award.













