Changchun Changguang Ruishi Optoelectronics Technology Co., Ltd. was invited to attend the 7th National Surveying and Mapping Ex

　　Changguang Rui invites you to share the event

　Exhibition Background

Asia's largest exhibition of geographical information for surveying and mapping industry - "The Seventh Surveying and Mapping Geographic Information Technology Equipment Exhibition and the National Surveying and Mapping Geographic Information Industry Fair" (hereinafter referred to as "the exhibition") will be held in Jiangsu from November 8 to November 10 this year. Nanjing dress up.