1.zinc oxide indirect(French)method 99.8% 2.0#zinc ingots as ... .SGS(RoHS) Shijiazhuang Sunpower Technology Co.,Ltd specilized manufacturer Zinc oxide from 1987s.Product Name: 99.8% Indirect-method ZnO Product ... , alkali and ammonia salt solution, and belongs to amphoteric zinc oxide.Application: All-steel radial tires, diagonal tires, automobile capsules, hoses ...