本帖最后由 没有壳的蜗牛 于 2012-5-21 17:17 编辑 1.Copper Sulphate kn.international@rediffmail.com 2.carbon black tedkey@carbonblack.us3.Gayatri Enterprises gayatri_sudhir@rediffmail.com4.Ferdows-Ara Pharmaceticals fmohanazadeh@yahoo.com
