Abstract: Concerning bottleneck suppliers constraint of manufacturer procurement lead time,this paper develop s two-suppliers-single-manufacturer supply chain models that decisions are made on a decentralized and centralized basis respectively. By comparing the overall benefit of supply chain,this paper makes a detail numerical analysis of the importance of lead time coordination in a supply chain system,discusses the revenue sharing mechanism from the view of improving the enthusiasm of suppliers to collaborate,uses data analysis to prove it in the end.

Key words: lead time, contract, TOC, collaboration, revenue sharing