Meaning of 慣行取引 in Japanese

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Definition of 慣行取引

かんこう(kankou) 【慣行】

(n, adj-no) customary practice; customary practise; habit; traditional event
その慣行は廃止すべきだ。
The practice should be done away with.

とりひき(torihiki) 【取引 ·取り引き ·取引き】

(n, vs) transactions; dealings; business
ぜひ取引させていただきたいと思います。
We would love to work with you.

かんこうとりひき(kankoutorihiki) 【慣行取引き】