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Kindly provide us with your best & lowest price along with Coa. ► Diethyl Ketone (3-pentanone) CAS NO:96-22-0 As we have to start up long-term business relations with you please let us know, who is the concerned person in the sales department as you have gone through my mail but if you are not the concerned person so I request to keep the concerned person in a loop so they also get to know about my mail. So please provide me with their contact details like Mail ID, Contact number & Whatsapp number so I can further Correspond with them. I request you to kindly help me with this. Also, note down my contact details for your further reference. Awaiting for your positive response Thanks & Regards