Dear End buyer,

Our supplier could supply C4 raffinate products ( C4 R1, and C4 R2 ).
They are from Russian origin.
They are only delivered at FOB term.
The loading port is Prigorodnoye port,Sakhalin,Russia.
If you are interested, welcome to contact.
I could send you (end buyer) the price offer for your perusal.
Thanks and regards,
Yu-Jen Lin