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15-Crown-5 (4)CAS RN:33100-27-5
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Yangzhou Princechem Co., Ltd.(former Gaoyou Organic Chemical Factory)Telephone:+86-514-84248359;13328140016
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Capot Chemical Co., Ltd.Telephone:+86-571-85586718
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Shanghai Lingde Chemical Technology Co.,Ltd.Telephone:+86-21-58333929
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Suzhou Senfeida Chemical Co.,Ltd.Telephone:+86-13862111431