We exort(1)agrochemcials:Acetamiprid,Buprofezin,Epoxiconazole,Fipronil,Imidacloprid...... (2)organotin catalyst:DBTO,DBTL.DBTA,MBTCL,MBTO... (3)pharmaceutical intermediates:1,1-cyclopropane dimethanol/7-Chloro-2-methylquinoline/Sodium borohydride/lithium borohydride,Vinylene carbonate/2-Aminophenol/M-Aminophenol/M-Toluidine TEL:0086-15077874241 MSN: hopery(AT)hotmail(dot)com Gmail box : hoperyni(AT)gmail(dot)com