Profile: Ningbo Sinster Machine Co., Ltd specializes in manufacturing CNC machining services. Our products include CNC machining services, lost wax investment casting services, and forging services. We provide CNC machining, fabrication, painting, anodizing, powder coating, electro, and assembling services. CNC turning is turning with Computer Numerical Control, to machining complex workpieces such as straight cylinders, oblique cylinders, arcs, various threads, grooves, and worms. And CNC turning can compensate functions of linear interpolation and circular interpolation.