... company located in Zhuhai, city of printing consumables in China. The total investment of Polytoner is 6,000,000 RMB, production area ... only few company with professional validation (ISO 14001 and ISO 9001 ect) in China, it is proof that our products has ... market. 4. Printing service all over the world. In China, Polytoner sales and service network covers provinces, cities even counties. With import ...