少妇搡BBBB搡BBB搡造水多,欧美日韩一区二区三区自拍,一本一道精品欧美中文字幕,无码人妻一区二区三区一

Welcome to Qinhuangdao Tianzi Chemical Industry Co.,Ltd Website!
????
Tel:+86-335-5978826
Address: Green Chemical Industry Garden, Lulong Economic Development Zone, Qinhuangdao City, Hebei Province, China.
Mobile:+86-15227250682,
+86-13313337629
E-mail:tzchem@163.com;
tzchem@tianzichem.com
tzsales@tianzichem.com
???? > ?? ?????
???? ????
???： ???? ????
???： MgSO4·7H2O
? ????: 10,000T
???： 246.48.
??：

?? ??? ?? ?? ??? ?? ?? ??? ???

??, ?? ?? ??? ????  ?? ????.

???1.68. ?? ?? ??? ???? ????? ?? ??? 67.5℃?? ??? ????? ???.

?? ?? ??? ?? 70-80℃? 4??? ???? ?? ? 200℃ ?? ???? ???? ??.
??：

?? ??, ??, ??, ???, ??, ??, ???,??,??,??? ???? ??? ???.

?? ? ??? ?? , ?, ??? ???? ????? ???? ??? ????? Epsom salts? ???.
?????：

25KG﹑40KG﹑50KG

??? ?? ??, ?? ?? ?? ????
??????：

????

一 ??

二 ??

???

≥ 98.0

≥ 95.0

?(Fe)%

≤ 0.005

≤ 0.01

???%

≤ 0.30

≤ 0.50

? ??? ??%

≤ 0.10

≤ 0.15

 


Copyright(C)2017,Qinhuangdao Tianzi Chemical Industry Co.,Ltd All Rights Reserved. ?Supported by ?ChemNet?ChinaChemNet?Toocle?Copyright Notice
Tel:+86-335-5978826 Fax:+86-335-5978826 E-mail:tzchem@163.com; Contact: Mr liu +86-13931486198