... chemicals history Good quality and Well-deserved reputation Free samples,COA,SGS,CIQ Prompt delivery Specifications1. supply high quality zinc ingot 2. purity: ... 1.Factory supply directly; 2.Zn (purity): 98.7%-99.995%; 3.Promptly shipment+Best service 1.Product Name: ... , maganese bronze, galvanized iron, dry battery; as catalyst and reducing agent. Catkin Low price and Good quality Zinc Ingot 99.99%