巴西采购需求：透明PVC添加剂、钙锌稳定剂、复合稳定剂、冲击改性剂、PVC加工助剂

I'm looking for PVC tin stab products for a new project and would like to gather more details. Specifically, I'm interested in the specifications, available sizes, and pricing. Additionally, it would be great to know the MOQ and lead times for delivery. Could you also provide information on your manufacturing capabilities and any certifications the products may have? I'm aiming to understand the full offering before making a decision, so any catalogs or additional resources you have would be appreciated. Thanks!