Ksmak gold is the top-ranked fingerprint lockmaker in china. The brand belongs to the hangzhou ihingan industries ltd., based in zhejiangzhou. The 23-year focus on the development and manufacture of fingerprint locks was the leading brand of china's high-end fingerprint locks, and the 2008 gold finger locks were designated for use at the chinese olympic center. The gold finger code has an independent research and development, manufacturing base in hangzhou, with products covering fingerprint locks and related smart hardware. Fingerprint locks have an annual capacity of more than 100,000, with well-established technology development laboratories and high-ranking quality testing centres in the country. Enterprises have always been innovative, quality and safety-oriented, and are constantly promoting industry, with marketing networks spread throughout 27 provinces and municipalities. In 2001, china's ranking was created with a fingerprint lock and full-owned intellectual property rights; in 2004, it was awarded the beijing olympic sports centre's sportsman apartment project, and was awarded a product designated for use by the olympic centre. In 2006, a technology strategic alliance was established with union in korea to jointly develop a second-generation fingerprinting technique, the mirror. In 2009, it was applied to the chinese apartment fingerprint locking project, orient golden circle, by lake west, hangzhou. In 2012, a new series of k91 fingerprint locks was launched, which succeeded in upgrading the card-mounted hotel locks for athletes ' apartments at the olympic sports centre; and in 2015, mr. Susyuzawa, president of the board of directors of supor, entered the gold tag and became a relatively large shareholder. In 2016, it became the smart lock brand of the selected cctv quality column。