... ,75,80,90,100,120,140,160,170gsm3.Color:1-4c or more,as customer needs4.Size ... designer and advanced production equipments, so theprice and quality of our products are more competitive .3. Environment ... ,75,80,90,100,120,140,160,170gsm3.Color:1-4c or more,as customer needs4.Size ... designer and advanced production equipments, so theprice and quality of our products are more competitive .3. Environment ...