偷窥日本公共浴室洗澡视频_国产高清精品一级毛片_嗯啊不要这样_久久综合加勒比

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
???? > ?? ?????
???? ???

??

???? ???

CAS NO

5423-22-3;1763-07-1

EC NO

226-551-9;217-176-1

???

CH8N3O4P

???

157.07

??

??????.
???? 246-250℃,??1.48.
20℃?100g? ???15.5g?? ??,
100g? ????? 0.1g?? ??,?? ?? ?? ??? ??

??? ??

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

?????

25KG??????.
???? ??? ??? ??. ?? , ?? ?? ?? ??

??????

????

一??

???

??% ≥95.0 ≥ 99.0

??%

≤0.5

≤0.01

4%???PH?

3-5

3-5

     

 

 


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