Aivit Group Co., Ltd. devotes to R & D sales of methyltin heat stabilizers, which mainly used in PVC industry. The products classified into four series with more than 10 types, including methyltin mercaptide heat stabilizer, methyltin of organic acid heat stabilizer, methyltin chloride methyltin oxide. Our products are widely used in PVC extrusion, calandering, blowing and injection mould. The good early color stability, excellent transparency and superior heat stability enable the products to be the critical agent of PVC film, sheet, panel, granule, profile, pipe and pipe fitting. The sales network reaches Yangtze river Delta, Pearl river Delta, Southwest, Northeast, southeast etc. In china and reaches American, southeast Asian Europe etc. abroad. Our products with excellent performance and stability contribute a lot to domestic PVC industry.