Significance of construct was seen from path diagram and path coefficient as shown in Fig 1 and Table 5. The
relationship of all variable dimensions to each latent variable were positive significant, with evidenced by t-statistics
greater than t-table=2.000, indicated that all sub variables are the dimension of latent variables. The relation of
bidding strategy and project performance, project performance and company performance were positive significant
with t-statistics 5.65917 and 7.111978 greater than t-table=2.000. Whereas bidding strategy and company
performance relation, were positive but not significant, t-statistics 1.394051 smaller than t-table=2.00 indicate that
bidding strategy had an indirect impact on company performance. Project performance appears a perfect mediation of bidding strategy and company performance relationships. According to [21] to express a variable as a perfect
mediation, when the mediation variable included on the whole model, the influence of independent variable to
dependent variable became zero or changes from significant to not significant.