Qingdao St-Arn Imp & Exp Co.,Ltd is an integrative enterprise with manufacturing and trading in water treatment chemiclas, oil drilling chemicals,food additives, seafood and machinery.
ST-ARN is sub-branch of Ma's Group Inc.at QingDao, as a manufacturer, since 1998, Ma's Group Inc.has invested to build their own factories for satisfying their customers' request at the region of raw materials in Shandong which is the largest region of raw material in China. Ma's Group Inc. will continually invest for som...
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