쇼핑백, 빨대, 포크, 시트 제품용 생분해성 Pla & Pbat & Pva 과립을 생산하는 방법

2025 1:03
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시험 재료: 순수 PLA/PBAT/PVA 및 전분 및 글리세롤 Nanjing Kerke Extrusion Equipment Co., Ltd WhatsApp:+86-18550112020 ...
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