1954： Established Tong Xing Processing Factory.
1969： Renamed to Tong Lung Metal Industry Co., Ltd.; capital increased to NT$ 6 millions.
1977： Rated by MOEA as Grade A qualified factory; reformed company structure to joint-stock corporation.
1978： The first company to acquire the CNS mark for Cylindrical Door Locks issued by the Central Standard Bureau
1982： Developed Tubular Lock successfully, and was the first company to acquire CNS mark.
1994： Listed on Taiwan Stock Exchange on 10th November.
1995： Obtained ISO-9002 certification.
2001： Completed company reorganization
2004： Obtained ANSI Certification for Grade 1 & 2 locks;
2006： Test Rite International Co. Ltd acquired 68.08% of Tong Lung share from HSBC Private Equity (Asia) Limited and other shareholders.
2007： Honored with the “Best Innovative Enterprise Award” issued by Industrial Technology Advancement Association.
2012: Stanley Black & Decker acquired Tong Lung
2013: Renamed to Stanley Security Solutions Taiwan