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Mitsubishi Chemical Advanced Materials Inc. / U.S.A.
Kureha Extron Co., Ltd. / Japan
West One Corp. / Japan
Nippon Polymer Sangyo Co.,Ltd. / Japan
Kitamura Ltd. / Japan
Amtec / Japan
CoorsTek Inc. / U.S.A.
Dreyplas GmbH / Germany
Exseal Corporation / Japan
Nichiei Company Ltd. / Japan
Shachihata Inc. / Japan
Sekisui Chemical Co., Ltd. / Japan
Yuka Denshi Co., Ltd. / Japan