成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

ChemicalBook Chinese Germany Japanese Korean

北京瀑潤(rùn)化工產(chǎn)品有限責(zé)任公司 Company Information
Company Name:    Beijing Prina Chemical Industry Co., Ltd
Tel:    +86-10-67861162, 61267868
Email:   
Nationality:    China
WebSite:    www.is0513.com/ShowSupplierProductsList5647/0.htm
Product List:    21
1
Product List
Fluorescent Brightener KS-N 5242-49-9
tert-Butylhydroquinone 1948-33-0
4,4-Bis(diethylphosphonomethyl)biphenyl 17919-34-5
Terephthalaldehyde 623-27-8
Optical brightener OB-1 1533-45-5
1,4-Bis(4-cyanostyryl)benzene 13001-40-6
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene 7128-64-5
fluorescent whitening agent SWN
4,4'-biphenyldichlorobenzyl ester
4,4'-Bis(chloromethyl)-1,1'-biphenyl 1667-10-3
Disodium 4,4'-bis(2-sulfostyryl)biphenyl 27344-41-8
7-Diethylamino-4-methylcoumarin 91-44-1
Benzophenone 119-61-9
4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy 2226-96-2
Fluorescent Brightener 367 5089-22-5
C.I. 482200 38775-22-3
4-Formylbenzoic acid 619-66-9
Optical Brighter FP127
2,5-Di-tert-butylhydroquinone 88-58-4
2-Formylbenzenesulfonic acid sodium salt 1008-72-6
o-Anisaldehyde 135-02-4
1
Copyright 2007©  ChemicalBook. All rights reserved.