About us - 3Q Machining is top quality 3D Printing & CNC Machining Service Shop manufacturer in China for your custom precise plastic & metal machining parts, we can help to design your products and develop custom tooling for injection molding or die casting for big volume production, also work from CAD drawings to final shipment with 3D Printing & CNC Machining for small volume production, low MOQ with high Quality Products & Services & Innovations.