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China Direct Manufacturer AC Foaming Agent Yellow Powder Azodicarbonamide AC6000h AC3000 AC7000 Used for PVC EVA Shoes Foam Sheet, Find Details and Price about EVA Blowing Agent EVA Foaming Agent from China Direct Manufacturer AC Foaming Agent Yellow Powder Azodicarbonamide AC6000h AC3000 AC7000 Used for PVC EVA Shoes Foam Sheet - Hubei Yuchuan New Materials Technology Co., Ltd.