Rohm and Haas is one of the world largest manufacturers and suppliers of specialty Chemicals and acrylic acid related products, with its head office located in Philadelphia, Pennsylvania, U.S.A.

• 美国罗门哈斯是世界知名的精细化学品公司,总部位于美国费城，生产个人护理、家庭和建筑、电子等领域的产品,在全球范围内改善人类生活质量。