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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