(1)Shape: cylinder; (2)Purity >99.9% (3)Size (mm): 1,3,5,7,10,12;the size could be adjusted. (4)Usage: aviation, spaceflight. (1) Products name: zinc ball(2) Products shape:cylinder(3) Products purity> 99.9%(4) Application fields of products: aviation, spaceflight, automobile, consumer goods, casting, forging.(5)The producing process: the raw materials which are used for producing zinc granules ...