无遮挡又黄又刺激又爽的视频,丁香婷婷色综合激情五月,国产精品福利一区二区,精品一区二区三区在线观看,丁香婷婷久久综合缴情六月卑孜

ProductsYour location : Products

Soda ash

Brand: Zhongcheng
English name: Soda Soda ash sodium carbonate
Physical and chemical performance: specific gravity:2.13; melting point: 318.4℃; boiling point: 1390℃; it easily seeps into water and it has high erosion on skin, textiles and paper. It is widely used in soap, paper maing, dyeing, textile, glass, medical and metal products industry. In addition, it is basic chemical material.
Uses: It is important chemical material for the preparation of chemicals, cleaning agent, detergent and medicals. It is widely used in light industry, construction material, chemical, metallurgy, textile, gasoline, national defence, pharmaceutical and other industry.


[ Back ]

QR code
歡迎給我們留言 關(guān)閉
姓名:
電話:
E-mail:
內(nèi)容:
 
顯示在線留言