2222羟乙基纤维素增粘剂增稠剂厂家汇舜通发货速度快

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Shintung suntung materials ltd

Address:Sector 1 of north bridge industrial park, tianbashi district, jinan city, shandong province
Tel:15588879910

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15588879910

2222羟乙基纤维素 增粘剂 增稠剂厂家 汇舜通发货速度快