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Tri-circle Lock Industry Group Co.,Ltd was founded in 1930 and is the birthplace of China's modern lock manufacturing industry.
Tri-circle Group consists of 10 subsidiaries,one branch,a multinational joint venture company and a state-level R&D center.It is the chairman unit of Locks Branch of China National Hardware Association,China Locks Development Center,high-tech enterprise in Shandong Province,a founding and permanent member of Yantai Charity Federation.
Yantai Tri-circle International Trade Co.,Ltd is a subsidiary of Yantai Tri-circle Lock Industry Group Co.,Ltd,which was formally founded in April 2002 with a registered capital of RMB33 million.It has the right of exclusive distribution of all kinds of "Tri-circle" brand padlocks.The pruoducts include Tri-circle brand and iron padlocks as well as stainless steel padlocks, bicycle locks, combination locks, all kinds of door locks, car locks, safes, smart card locks,security doors, building security systems, and other types of merchandise,which are sold throughout the country and all over the world,more than 160 countries and regions.It is a comprehensive trade company which business includes two parts: exports and domestic sales.
Since establishment,the company has been committed to diversification,expanding the scope of business. The company takes "Tri-circle" products as a link and integrity services as a purpose to expand the sales of new products on the basis of the stability of the main products.From hardware to machinery and equipment, the company gradually achieves diversification and heavy-duty products to enhance the company's overall image.
The company has export and domestic business departments, with a capable, efficient sales staff and a nationwide sales and service network to supply high quality and perfect service for customers at home and abroad.
The company will maintain Tri-circle group's enterprise spirit:professionalism,dedication,innovation,ru le the roost, to build up the strength, and really make "Tri-circle" products bigger and stronger.

2011 won the "old" title.




1999 "ring", "China Famous Trademark"
2003 was named the brand-name tricyclic padlock Shandong Province.
2005 re-election, "China's top ten lock king."
2005 selected "top 500 Chinese enterprises."
In 2006 the company was named "national high-tech enterprises."
2006 AQSIQ "national exemption product" status.
2007 awarded "Shandong famous brand."
2009 Technology Center was identified as "state-level enterprise technical centers." 



1930 founded Shun Kee Lock Factory, the production bolt bike lock.
1939 moved to the site by Huangxian Yantai, Yantai change the make-made Cheng Ming Lock.
1952 product "ring" trademark registered in the State Administration for Industry and Commerce.
1957 brass padlock to enter the international market, then export 44,000.
1964 developed a pair of open padlock marbles, after foreign investment sales as "lock king."
1978 "ring" brand padlock Second Light Industry Bureau in Shandong Province, "Famous Brand" title.
1986 to obtain the lock industry's only national gold medal.
1990 China National Hardware Association lock branch establishment, a permanent establishment located in Yantai made ​​locks factory.
1999 "ring", "China Famous Trademark"