Wanhua Chemical, a Fortune 500 company, is a global leader in the production of innovative chemical materials. Their range of Thermoplastic Polyurethane Elastomers (TPU), which includes materials such as TPU K7 55D, TPU K7 70A, TPU K7 75A, TPU K7 77D, TPU K7 85A, TPU K7 90A, TPU K7 95AE, and TPU K7 95A, has greatly expanded the potential applications of 3D printing in the footwear industry.