四方达(300179.SZ)：PCD微钻的钻针部分为聚晶金刚石

Core Viewpoint - Sifangda (300179.SZ) has confirmed that its PCD micro-drill features a polycrystalline diamond needle, with the needle and body primarily connected through a welding process [1] Company Summary - The PCD micro-drill produced by Sifangda utilizes polycrystalline diamond for its needle component [1] - The connection between the needle and the body of the drill is achieved mainly through welding technology [1]