Hangzhou Jianhua Science&Technology Co.,Ltd. Hangzhou Jianhua Science&Technology Co.,Ltd. devotes to R & D, production and 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, calendering, blowing and injection mold. 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 and Europe etc. abroad. Our products with excellent performance and stability contribute a lot to domestic PVC industry. Our company insists on innovation of technology, products management. The complete effective manufacture system, strict supervision manufacture, advanced process with precision instruments apparatus, superior inspection equipment and perfect test methods provide the conditions for producing excellent stable products.