DYWT is ISO 9001-2008 Certified Manufacturer now



DA YIN WEI TONG CO., Ltd got ISO 9001:2008 cerficiate on 2016/8/15. Scope is "The Design and Manufacture of Office Chair PU Caster". DYWT is not only offer high quality products, we focus on be a consistent and reliable partners for all of our customers. Please see our ISO slogan and certificate as below, if you have any question please feel free to contact us. Thank you.




Da Yin Wei Tong CO., Ltd. is professional PU caster wheel manufacturer in Taiwan since 2006; we offer caster wheels for office chair and home furniture. We have wheel diameter from 50 to 65mm with multiple colors and various stems for choice. Our current markets mainly distribute in USA and Europe, we focus on offer PU casters for high-value chair or replacements for end user.




  • TEL : +886-49-2319985
  • FAX : +886-49-2319938
  • E-mail : info@dywt.com.tw
  • No.355, Sec. 4 Dunhuang Rd., Caotun Township Nantou County 54252, Taiwan