求:物流協議書

Here is an example from HAFFA

http://www.haffa.com.hk/files/HAFFA%20Form%20of%20LSA%20March%202013.pdf

But be aware that different situations should fine tune to the best fit on your condition/situation.

冇，合約係你同供應商或客戶有條件訂立，只適用於供求雙方，沒有標準。