己内酰胺国标工业级99含量合成涂料塑料源头厂家

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Shandong Yukang Chemical Co., Ltd

Address:548 New Materials Trading Center, Tianqiao District, Jinan City, Shandong Province
Tel:15588839549

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15588839549

己内酰胺国标工业级99含量 合成涂料 塑料 源头厂家