TSK Group Joint Stock Company is proud to be one of the most experienced manufacturers of specialty chemicals, specializing in the technology and production of additives for the plastics, paints and rubber industries. Our key products include Zinc Stearate (Zn-St), Calcium Stearate (Ca-St), Barium Stearate (Ba-St), and Magnesium Stearate (Mg-St), as well as PVC Ca-Zn Stabilizer, PVC One-Pack Stabilizer, High-Effect PVC One-Pack Stabilizer, CPVC Compound and Internal Lubricant Additives.