Except for machines, we also have Certificate ISO9001 and full QC Process with Two-Three dimensional detectors. Meanwhile, our 3d printers also can print metal parts. And it is high precison. Tolearnce will be +-0.3% mm. With all advantages,we know what you need and always offer high quality products in a very competitive price. And our quality and services are spoken highly by Audi and midea etc. Hope to work together with you. For more details,welcome to talk to us lin@tenlita.com.