青岛圣阿纳进出口有限公司，位于香港中路商务区，主要从事化工，水产品和机械进出口贸易。 www.st-arn.com 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 textiles. 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 some good products in near future. Meanwhile， as an international company， ST-ARN always seeks for becoming a reliable supplier to the customers who need different items of water treatment chemiclas， oil drilling chemicals，food additives， seafood and textiles products .Up to now， ST-ARN has been becoming the top brand in the international market.ST-ARN products are well exported to worldwide. Qingdao St-Arn Imp Exp Co.，Ltd as a leading supplier for water treatment chemiclas， oil drilling chemicals，food additives， seafood and textiles products in China has own strict quality control system， cooperates closely with International top quality inspection institutions (eg，SGS) for keeping the quality improving.