J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
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Wuhan Chemwish Technology Co., Ltd
Telephone86-027-67849912
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SynAsst Chemical.
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Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15848/0_EN.htm
Zhengzhou Guancheng Laboratory equipment Sales
Telephone0371-88888888 qq272369594;2159423853qq
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