What type of inter organizational relationship should a global company consider in (a) the inbound portion of

Question:

What type of inter organizational relationship should a global company consider in (a) the inbound portion of its supply chains if the goal is to buy commodity-oriented component parts for its own production and (b) the outbound portion of its supply chains if the goal is to establish a strong in reaching end-customers?
Partnership
A legal form of business operation between two or more individuals who share management and profits. A Written agreement between two or more individuals who join as partners to form and carry on a for-profit business. Among other things, it states...