Anshan Sinocarb Carbon Fibers Co. Ltd. Evertech Envisafe Ecology Co. Ltd. Jiangsu Tongkang Special Activated Carbon Fiber Fabric Co. Ltd. Kuraray Co. Ltd. Nantong Senyou Carbon Fiber Co. Ltd. Nantong Yongtong Environmental Technology Co. Ltd. Osaka Gas Chemicals Co. Ltd. Taiwan Carbon Technology Co. Ltd. Toyobo Co. Ltd. Unitika Ltd.