NSK (Shenzhen) Control Technology Co., Ltd. is a company reorganized by NSK Technology Inc. in California, the US and NSK Science Development Co., Ltd. in China. Our manufacturing base is located in Shenzhen China. We have a team that has been working on security product development for more than five years. Our products include video door phone products, access control products, car parking products, data record products and the integrated systems. Currently we are mainly engaged in exp... ...[More..]