In this paper, we consider a remanufacturing problem in a supply chain structure with two competing original equipment manufacturers (OEMs) and a third party platform collecting used products for the two OEMs to remanufacture. The two OEMs are of different extents of brand equity that consumers prefers one OEM over another. The OEMs provide new products to the same market and decide whether to remanufacture. If one OEM chooses to remanufacture and sells in the remanufactured market, the existence of his remanufactured products may weaken consumers' perceived value for his new products, but enh...