2023
- Test King Industry Co., Ltd.was established.
- Test Pro Development Co., Ltd. was established
2022
Test Pro were established.
2021
Chung Cin Enterprise (U.S.) was established.
2020
Le-Joy Innovation Co., Ltd. was established.
2019
Phoenix Trading, an international trading company in Vietnam, was merged into Chung Cin.
2018
- Test Cin International Co., Ltd. was established.
- Test On Lighting Co., Ltd. was merged into Chung Cin.
- The All-age LOHAS housing near HSR Miaoli station was established.
- Chung Cin contracted with a Japanese brand, Auto Chemical, for the agency of premium sealant and waterproofing materials.
2017
U-Me Enterprise Co., Ltd. was merged into Chung Cin.
2014
Chung Cin Building Materials Sales Center was open.
2012
Chung Cin contracted with Test Rite to operate Decor House in Taipei.
2011
Chung Cin contracted with Test Rite to operate Decor House in Taoyuan.
Chung Cin contracted with a Japanese brand, SHIRAI, for the agency of professional RTA (ready-to-assemble) furniture.
