Precision mold accessories refer to the general term for metal parts specifically used on stamping dies, plastic molds or FA automation equipment in the mold industry. Mold accessories include: punches, punches, guide pins, guide sleeves, ejector pins, ejector cylinders, steel ball sleeves, oil-free guide sleeves, oil-free slide plates, guide pin assemblies, etc. Precision hardware specifically refers to the category of hardware processing with high precision requirements within the hardware industry. "Precision" generally refers to the tolerance requirement within 0.05mm, including precision plastic hardware, precision stamping hardware, precision turning hardware, etc., and is widely used in industries such as electronics, watches, and aviation.