Vistar (Xiamen) Industries (威斯坦（厦门）实业有限公司, also known as ProtoFab) is a manufacturer of 3D printers and 3D printing materials. The company offers 3D printing Stereolithography, CNC machining, injection and vacuum molding, and other services. ProtoFab caters to automotive, footwear, electronics, medical, dental, art, and fashion sectors.