A point gate was used for feeding in the injection mould for the transparent plastic box lid.
3
碳是装在纸盒里的,用一层半透明的竹纸包着,盒盖顶面和包碳纸上用浅绿色谈谈写着几个日文字。
Carbon is packed in cartons, with a layer of translucent bamboo-paper pack, the lid end face and packet carbon paper talk with reseda, wrote a few words.