Interwork Group are the professional OEM & ODM supplier in color cosmetic fields. At present most of industrial based in S. Korea by Interwork Korea Co., Ltd. Since they started business in 1998, they've tried to set up the world wide network for manufacturing, exporting & importing by the name of Interwork. And they've built(some now on build) branch offices as our World Wide Map on the basis of Interwork Japan Co., Ltd. & Interwork Korea Co., Ltd.