Zhengzhou Defy Mechanical&Electrical Equipment Co. Ltd. is an innovative high-tech company with more than ten years of 3D printing experience. Provide 3D printing services including photosensitive resin, PA, mold steel, stainless steel, cobalt-chromium alloy, titanium alloy, aluminum alloy, nickel alloy and other engineering plastics and metal materials. We minimize customer costs with our unique operational management and economies of scale.