SHANGHAI, Oct. 16, 2023 /PRNewswire/ On October 15th, Chamlion and global surface metal finishing expert GPAINNOVA signed a strategic cooperation agreement. Chamlion will become GPAINNOVA's exclusive dental strategic partner in China. The two companies will establish a joint venture in China to jointly research, develop, and promote metal dental product surface finishing technology. Representing both parties, Chamlion's CEO,.