亚洲精品中文字幕无码蜜桃,妺妺窝人体色WWW看美女,精品国产偷窥一区二区 ,寡妇把腿开大让我添添

Sn

錫4.jpg  


錫3.jpg  


Introduction

Purity:99.999%

Shape:granule,wafer,block
Appearance:silver,metallic luster
Melting   Point:231.9℃
Density:   7.28g/cm3


Scan and pay attention to the public number