SHENZHEN DEWANG HIGH-TECH CO,.LTD. In 2016 we released the first 3d pen of low temperature in the world. In 2017, we released the first wireless 3d pen, In 2019 we release the first touch screen 3d pen and the first chocolate 3d pen.On 2015, we were invited by global resourse to attend the electronics exhibition. At same time, we were interviewed by official youtube channel. On 2016, we were invited by China national government to hold a lecture of 3D pen in school. On 2017, we were invited to form a broad strategic partnership with Indonesia university and TAIWAN school. On 2018, we were named "China high-tech enterprise " by China national government.We have pass CE,ROHS,FCC,EN71, UL, MSDS certification. Furthermore, We have our own independent factory with 4 production lines, 3 quality inpesction departments and 4 sales teams. Meanwhile we own SGS-factory certification, to ensure the high quality and competitive price.