Search This Supplers Products:calcium carbideactivated carboncarbon additivecaustic sodawirechloride
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iso
Issuing authority : Beijing Xingguo Global Certification Co.,Ltd
Valid period : 2015/5/18 - 2018/8/23
ISO CERTIFICATION
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Business license
Issuing authority : Administration of industry and Commerce of Tianjin
Valid period : 2007/3/12 - 2037/3/11
Business license
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