Qingdao St-Arn Imp & Exp Co.,Ltd is an integrative enterprise with manufacturing and trading in water treatment chemicals, oil drilling chemicals,food additives, so on. ST-ARN sub-branch of Ma's Group Inc.at QingDao, as a manufacturer, since 1998, ...

Zibo jingbo water treatment material co.,ltd. lay in the center of which is strategic location and coveninent transportation. It�� near to 309road 350km away from Qingdao port.Our company gathers production��sell��rade,the technique ...