294-93-9 12-Crown-4 CAS NO.294-93-9

our company was built in 2009 with an iso certificate.in the past 6 years, we have grown up as a famous fine chemicals supplier in china and we had established stable business relationships with samsung,lg,merck,thermo fisher scientific and so on.our main business covers the fields below:

1.noble metal catalysts (pt.pd...)

2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)

3.oled intermediates (fluorene,carbazole,boric acid...)

4.customs synthesis

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1. higest quality and good package

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5.good business credit in europe ,us ,japan ,korea

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