Hangzhou Yanzhi Technology Co., Ltd. was established in 2011, headquartered in Hangzhou, Zhejiang Province, with subsidiaries or offices in Shanghai, Shenzhen, Hefei and other citys, national high-tech enterprises, specialized and special new small and medium-sized enterprises in Zhejiang Province, Hangzhou Gazelle Enterprise, is a technology-driven company, the construction of Hangzhou intelligent control system high-tech enterprise technology research and development center.1. Areas of Focus:Yanzhi tech. is committed to the independent development and ...