This Clean Plus Corporation case focuses on the second of three major areas of manufacturing management: Manufacturing Information Systems*, Quality Control, and Purchasing*. The approach is to audit these areas for compliance with the policy of this multinational corporation. The Clean Plus Corporation is an international company producing and selling cleaning products in Europe, North and South America. Each subsidiary has its own factory producing for the home market. The International Operation Management defined a new industrial strategy in order to produce Just in Time (JIT) operations. JIT concepts, which have been imported from Japan, aim to serve customers in terms of quality, quantity, and diversity of products within the shortest timeframe and at the lowest costs. Improving quality, reducing lead times, and reducing inventories and costs are the critical objectives of JIT implementation. Factories were then asked to focus on "four zero" management (zero defects, zero inventory, zero wastage, zero industrial lead times.) Quality Control Strategy The company aims to produce finished goods directly with 100% quality and thus reduce quality control operations after production. Indeed, the factories are required to detect defects directly on the production line in order to immediately stop poor production rather than waiting for