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. 2008 Viet Han Co., Ltd., a construction company in Vietnam, was established. 2006 Contracted Store for the Ministry of National Defense was established. 2005 Decor House in Tainan and Decor House in Kaohsiung were opened. 2003 Chung Cin Interior Design/Construction Co., Ltd. was established. 1999 A level A construction company, Tony Construction Co., Ltd., was merged into Chung Cin. 1997 Chung Cin Construction (level C) and Test Cin Mechanical and Electronical Engineering (level A) were established. 1994 Chung Cin Enterprise was established.