Yes, vendors customers usually make contracts with them. This is mostly on a business-to-business basis. There are implicit contracts with consumers/customers about fitness to purpose and such, but not a contract, per se, other than the buyer/seller agreement (contract).
Every sale is a contract.

Rothbardian_fanatic

econ

Retail sales see record decline on sluggish demand: data

south_korea_ln

> new contracts with customers

Do you have contracts with customers for retail sales? It's surprising, we don't have such a thing here. 