DIN 557 square nuts or customized size

 DIN 557 square nut or customized size 

Uni-protech products has been approved by ISO 9001 certificates. 

Testing machine is also well-equipped like Chemical Analysis Instrument, 

Tensile and Compression Test System, Hardness Tester and so on. 

With good quality control, our products and services are highly recognized by customers.

UNI-PROTECH GROUP

* Uni-protech industry Co., Ltd（head office）

   Tainan Taiwan（Sale、R&D、QC lab）

* Uni-protech fasteners（suzhou）Co., Ltd（China branch office）

   High-tech District Suzhou（Sale、Inventory、QC Lab）

* TJ PARTS INDUSTRY Co.,LTD（Taiwan warehouse）

   Kaohsiung City（Sorting、Packing）

* Suzhou Dongshan Standard Fasteners Co., ltd（China Plant）

  Dongshan town（Hot  forming、Turning、Heat- Treatment）

* RATO TECHNOLOGY INC.（Taiwan Plant）

  Kaohsiung（Cold Form、Sorting、Packing）

Uni-Protech Group is found in 1992 and establish China Suzhou branch in 2010. 

With more than 20+ years’ experience, Uni-Protech provides all type fasteners products

in all sizes. Not only the ISO9001:2008 certified team, but also ISO9001/IEC17025 certified.Quality Lab give customer peaceful mind service.In addition, new sorting & packing facility completes all you need for Quality Fasteners shopping.