狠狠色丁香婷婷综合橹88I中文一二区I欧美日韩国产一区二I国产手机avI在线看片成人I日本最新一区二区三区I国产网红在线观看I在线观看aa

Al

鋁1.jpg


鋁4.jpg




鋁2.jpg    




Introduction

Purity: 99.999%

Shape:Block,   small cylinder, powder
Appearance:silver   white
Melting   Point:660℃
Density:   2.7g/cm3
Specification:   can be customized


Scan and pay attention to the public number