Introduction. This study presents an economical survey about the cheap and poor quality Far-East production fittings in the water systems of the buildings in Turkey. Material and Methods. The authors aim is to show the differences on the production processes and the pre and post-molding operations between these and the domestic products; and to exhibit the causes of differences in the costs and the prices of these two products. Results. At the end the reasons of the common usage of the Far-East products in Turkey are determined. Conclusions. . Under the light of the result of this survey, it is tried to make some predictions to use better fittings in the water systems by promoting the domestic producers by employing the MRP and Cost Analysis methods