Omya has his satellite Offices and factories in Changshu, Anhui, Nanjing, Nanchang, Mudanjiang, Huzhou, etc. 在中国的常熟，南京，南昌，牡丹江林口，安徽青阳，湖州长兴都设有分公司，合资公司和工厂。
The brushes of Huzhou, the ink-sticks of Huizhou, Xuancheng paper, and the inkstones of Zhaoqing and Duan are celebrated as the writer's Four Most Precious Things. 当地又以产笔著名，湖州之笔，徽州之墨，宣城之纸，肇庆端溪之砚，文房四宝，天下驰名。
