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  1. SEKISUI CHEMICAL CO., LTD.

  2. KURARAY CO., LTD.

  3. Chang Chun Group

  4. Anhui Wanwei Updated High Tech Material Industry Co Ltd

  5. Sinopec Sichuan Vinylon Works

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  • Anhui Wanwei Updated High Tech Material Industry Co Ltd

  • Astrra Chemicals

  • Chang Chun Group

  • JAPAN VAM & POVAL CO.,LTD.

  • KURARAY CO., LTD.

  • Mitsubishi Chemical Group Corporation

  • Nippon Chemical Industrial CO., LTD.

  • OCI COMPANY Ltd

  • Polysciences

  • SEKISUI CHEMICAL CO., LTD.

  • Shandong Tiancheng Chemical Co., Ltd.

  • Shuangxin PVA Tech Co., Ltd.

  • Sinopec Sichuan Vinylon Works

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