HLH Prototypes Co. Ltd is a company that provides customized, quick prototype and rapid low-volume production solutions. Based in China, our prototyping company offers the efficiency and caliber that your project requires. We offer rapid part manufacturing solutions online across China, through our core services which include sheet metal fabrication, CNC machining, rapid tooling, rapid injection molding, vacuum casting (urethane), FDM 3D printing, SLS 3D printing, and SLA rapid prototyping.