Hubei Nanxing Ploymer Additives Co.,Ltd. was established on the basis of Fine Chemical Factory ,belonged to Chemical General Factory Nanxing Hubei,which is the earliest and largest manufacturer for Methyl tin Mercaptide in China.PVC heat stabilizer : SS-218 Methyl tin mercaptide, SS-318 Methyl tin MercaptidePVC Internal lubricant: NX-GH4, NX-G16S, NX-G32PVC External lubricant: NX-G78, NX-G70s, NX-G312PVC Impact Modifier : MBS NX-01, MBS NX-05, CPE NX135-I, CPE NX135-II PVC Processing Aid : ACR NX-401A, ACR NX-401B, ACR NX-401C