2017.12 December 20, 2017/by adminDavid Li, director of SZOIL, was invited to attend the ThingsCon Internet of Things Conference in Nairobi, Kenya, to work with Africa for innovation in December 2017. https://www.szoil.org/wp-content/uploads/2019/01/logo-3.png 0 0 admin https://www.szoil.org/wp-content/uploads/2019/01/logo-3.png admin2017-12-20 09:49:282019-01-20 09:47:562017.12