a级大胆欧美人体大胆666,美女扒开腿让男人桶爽30分钟,欧美网站,区二区三区,国产情侣真实露脸在线

1、Chemical Name: ZINC CITRATE

2、Formula : Zn₃(C₆H₅O₇)₂.2H₂O

3、Molecular Weight: 610.37

4、CAS: 5990-32-9

5、Character: White Or Light Yellow Powder.

6、Usage: As Tooth Paste Additives,It Has The Effects Of Removing Foul Breath,Tobacco Stains And Dental Calculus,And Diminishing Inflammation.

7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as the outer layer, the net weight of each bag is 25kg.

8、Storage and Transport：It should be stored in a dry and ventilating warehouse, be cautious to keep away from moisture and hot, unloaded with care so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.