1930
1930, founded Shun Kee Lock Factory, the production bolt bike lock.
1939
1939, moved to the site by Huangxian Yantai, Yantai change the make-made Cheng Ming Lock.
1952
1952, product "ring" trademark registered in the State Administration for Industry and Commerce.
1957
1957, brass padlock to enter the international market, then export 44,000.
1978
1978, "ring" brand padlock Second Light Industry Bureau in Shandong Province, "Famous Brand" title.
1986
1986, obtain the lock industry's national gold medal.
1990
1990, China Hardware Products Association Branch was established, and the permanent Yantai Manufacturing Lock Factory was established.
2003
2003, was named the brand-name tricyclic padlock Shandong Province.
2005
2005, selected "top 500 Chinese enterprises informatization."
2006
2006, the company was named "national high-tech enterprises."
2006
2006, AQSIQ "national exemption product" status.
2007
2007, awarded "Shandong famous brand."
2009
2009, Technology Center was identified as "state-level enterprise technical centers."
2011
2011, won the "Old Chinese" title.
2014
In 2014, the group company was honored as a National High-tech Enterprise.
2014
In 2014, our self-developed smart arms locker aimed for field operation was used by peacekeeping force on its mission in South Sudan.
2015
In 2015, we were certified by the Enterprise Intellectual Property Management Code.
2016
In 2016, we acquired the GEM global project and began to deliver globally.
2017
In 2017, we were awarded the title "Famous Smart Lock Brand in China".
2017
In 2017, we appeared on the list of "Honest and Trustworthy Enterprises from Shandong".
2017
In 2017, we appeared on the list of "Leading Manufacturers of Every Single Different Fields in Shandong".
