DuPont and Wuxi Xingda Nylon Co. Ltd., of Wuxi, China, have formed a joint venture for the production and distribution of filaments used in toothbrushes, paint brushes and cosmetic and industrial brush applications. The joint venture provides a wide offering of brush filaments to meet the needs of customers worldwide, company executives said. Terms of the transaction were not disclosed. The new enterprise is structured with three regional operating companies, each owned 70% by DuPont and 30% ...