四方达：公司的PCD微钻的钻针部分为聚晶金刚石

Core Viewpoint - The company Sifangda (300179) has provided insights into its PCD micro-drill technology, highlighting the use of polycrystalline diamond for the drill needle and the welding process used to connect the needle and body [1] Company Summary - Sifangda's PCD micro-drill features a drill needle made from polycrystalline diamond, indicating a focus on high-quality materials for enhanced performance [1] - The connection between the drill needle and the body is primarily achieved through a welding process, which may suggest a robust manufacturing technique [1]