Keyen is a trading corporation which majors in following chemicals:sodium sulfite, 96%, 93%, 90%sodium hydrosulfite, 90%, 88%, 85%sodium metabisulfite, 65%rongalite, 98%, 95%zinc oxide, 99.5%, 99%, 98%
Contact Person : Wang Zhihai Job Title : Business Manager Telephone : Fax Number : Address : 740, Shaoshan South Changsha , Hunan Fax : 86 - 731 - 5575312 Website : Visit website