Shenzhen Haija Technology Co., Ltd. is a professional high-tech integrated enterprise which specialized in development, production, sales and service of Stationery. Our company\'s main brand (watch) series enioy high reputation on the market, ...
Room 1901, Building 1, Wanxiang Tiancheng, Centre City, Longgang Dist., Shenzhen, Guangdong, China,
Tian Yan Electronics Shenzhen Co.,Ltd is a professional manufacturer of educational electronics products, specializing in designing, development, sales & service. Currently, it the only enterprise whose products quality supervised by Education Kits ...
student calculator, graphics calculator and related educational equipment