Dear Summer,Thank you for your offer. Except pitofenone, we also need Desloratidine, Nebivolol HCL,Midecamicine,Nifuratel + Nistatin, Natamicin. Quantity is approx. 500 kg for each. If you have also such of this substances,please send me quotation and COA. Also, can you provide the samples. In near future we plan to register this substances in Russia.Best regards,Leon Parkleonpark88@163.com以下是对方需要产品的COA,都是对应好的,我自己查的:CAS: 100643-71-8 久的人CAS: 152520-56-4CAS: 35457-80-8CAS: 4936-47-4CAS: 7681-93-8如果可以做的就做吧。