About Us

Development Path

2000

Consecutively certified as "National High-Tech Enterprise"

2003

Introduced professional R&D and production equipment, officially launching sealing product design and manufacturing operations

2004

Obtained ISO9001 quality management system certification

2005

"DEF seals" trademark successfully registered

2022

Named "Employee Satisfaction Enterprise" for several consecutive years

2009

Received TUV, SGS and other certifications; won the National Innovation Fund Award; obtained 3 invention patents for sealing technology

2010

Recognized as "Guangdong Private Science and Technology Enterprise"

2017

Consecutively certified as "National High-Tech Enterprise"

2018

Added 21 new invention patents for sealing technology; named "Science and Technology Enterprise"

2020

Established wholly-owned subsidiary — Dongguan Xinzhi New Materials Co., Ltd

2022

Recognized as "Specialized and Sophisticated Enterprise" ("Zhuan Te Xin Jing" Enterprise)

2023

Obtained 3 utility model patents

2024

Added 32 new utility model patents; passed ATF16949 quality management system certification

2025

Obtained multiple utility model patents