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Sumitomo Chemical Advanced Technologies

Sumitomo Chemical Advanced Technologies LLC, formerly called Sumika Electronic Materials and a wholly owned subsidiary of Sumitomo Chemical Co., Ltd., is a leading manufacturer of polyethersulfone (PES), liquid crystal polymer (LCP), and high-performance alloy resins. The company serves as the U.S. base of operations and customer support for Sumitomo Chemical’s photoresist and engineering plastics businesses and is certified to ISO9001:2008 and ISO14001:2004 standards.