Phosphoric acid buying request Korea, South

1. Phosphoric acid (H3PO4) for Tech grade, Food grade, Electronic grade.
Order quantity: 10~20CTN/month each

(1) Tech grade.
Pls send best CNF,CIF Korea BUSAN sea port price by 20ft FCL x 2CTN as 1st orderstart.
Pls send packing unit as follows:
(1-1) 35Kg Packing Drum 26.6MT/20FCL /
(1-2) 330Kg Packing Drum 25.74MT/20FCL

(2) Pls send Tech, Food, Electronic grade of COA each.