Information search and acquisition is one of the important tasks in industrial procurement. The main issues of the present study are whether the needs of information and their patterns of importance would be affected by the following variables: product type, position of the supply chain, factors of individual participant (position, current unit, experiences of departments), organization structural factors, innovational resources commitments. The empirical study contexts are six machinery related sub-industries, including: vehicle, casting, die and mold, fastener, hand-tool, and machinery industry. From the 345 valid survey samples, the current research tested several hypotheses, of which significant findings include: (1) Different positions at a supply chain would cause difference of information needs. (2) Factors of individual participant also bring about different buying information needs: the current unit and experiences in different departments would significantly affect importance of the finance-cost, technique, salesperson information. (3) Organizational factors, including authority, horizontal interaction, vertical division, would give rise to more positive effect on buying experiences, country-of-origin, salesperson information. On the other hand, solicit negative effect on finance-cost information. (4) The product type would significantly moderate the causal relation between organizational factors and buying experiences, country-of-origin, or salesperson information. (5) Finance-cost information is less important for the higher innovational commitment companies than the lower ones