I recently ordered a set of CNC parts from Shenzhen Jing Si Dun for a few custom projects, and I couldn't be happier with the quality and precision these parts offer. Exceptional Precision:The machining on each part was flawless. Every piece fit together perfectly, with tolerances exactly as specified. This level of precision allowed for a smooth assembly and eliminated the need for any modifications or adjustments on my end. This is particularly impressive given that I ordered complex parts with detailed specifications. Quality: The parts are made from high-grade materials that feel incredibly sturdy. The finish on each component is also top-notch, with no signs of burrs or rough edges. If you're looking for CNC parts that meet high standards for precision, durability, and finish, Shenzhan Jing Si Dun is a fantastic choice and I HIGHLY reommend. A special thanks to Zoe Liang who is my designated Rep. She is so dedicated and detail oriented. Makes my order very smooth and traceable.