mào yì huǒ bàn
variant of 貿易伙伴|贸易伙伴[mao4 yi4 huo3 ban4]
贸
mào
commerce
易
yì
abbr. for 易經|易经[Yi4 jing1], the Book of Changes
夥
huǒ
many
伴
bàn
partner; companion; comrade; associate