CONTACT: Mr.wang TEL: 15821882957 QQ: 86623823 E-mail: shhthg@foxmail.com Purity: 99.8 Appearance: white crystal Package: 1kg/ Aluminum foil bag Application: Research purpose ProductionCapacity: 500 Kilogram/Month Storage: Kept in a cool, dry and ventilated place We guarantee good quality. 100% refunded if parcel is not delivered or poor quality.