Waxaan leenahay laba saldhig wax soo saarka oo ku yaal Panjin ee gobolka Liaoning
Iyo Yuncheng ee Gobolka Shanxi.
Falcelinta Faa'iidada leh:
●Hydrogenation
● Nafaqeynta
●Koloriin
● Burburinta
●Amnimidaynta
● Dhiig-baxa
●Fluoridation
● Falcelinta Dhimista Kiimikada
● Noocyada kala duwan ee falcelinta Grignard