allengu@szgould.com
0086-18913635655
Haiyu North Road,Changshu,Jiangsu Province,China
Specification: Purity: 99.5% min;Color: 25 max;Isomeric ratio: 80/20+-1; Acidity: 0.004% max;Hydrolyzable chlorine: 0.01% max
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