This research explores those linkages using structural equation modelling (SEM) and moderation analysis with data from 168 manufacturing companies in food industry was selected from China, Taiwan, and Malaysia. The research model includes three latent variable including OL, OI, OP, and two measurement variables contain age and size of the company. The finding of this paper support that firm age and size are two moderators which are control the relationship among OL, OI, and OP.