Beijing House-Lock Science and Technology Development Co.Ltd.(HSK) was set up in 2000. It mainly engaged in the research and manufacture of middling or hign-end mortise lock and also its promotion and sale in mainland China. After the reorganization of capital and technology in early 2007, HSK renewed its image and established a factory in Beijing, focusing on the technical research and manufacture of architectural hardware. We have gathered a large number of domestic and overseas experts ...   |