Guangzhou Wensu Additives Co., Ltd. is a professional manufacturer in providing PVC raw materials in China, including PVC heat stabilizers, PVC impact modifiers, calcium zinc stabilizers, barium zinc stabilizers, lead based stabilizers, synthetic hydrotalcite and etc., integrating research and production in plastic additive industry. Our production range as follow: PVC Heat Stabilizers PVC Impact Modifiers Calcium Zinc Stabilizers Barium Zinc Stabilizers Lead based ...