Gypsum board production special white latex White latex special quality index Gypsum board production Starch Starch quality index Vesicant Superplasticizer SHIJIAZHUANG TENGCHUANG Trade Co. LTD Address Donggangyiyuan, Shijiazhuang City, Hebei Prov, China TEL + 86-311-85925465 89808022 FAX + 86-311-85925465 Mobile 15369188500 MSN sjztcsm1@ hotmail.com sk ype pianomeihui1 web: http: / / www.tchsm.com E-mail: sjztcsm2@ yahoo.com