Die casting is used for optical communication components to produce precision parts with complex geometries, such as SFP module housings, optical nodes, and conversion sleeves. Our housings are integrally die-cast from aluminum alloy. Focus on controlling the dimensional accuracy of key mating interfaces and the flatness of contact surfaces, and structurally ensure the connection stability of optical modules during high-speed transmission and repeated insertion cycles. Are you. At Dongguan GuangWei Communication Technology Co., we engineer high-precision zinc and aluminum alloy die-cast housings for next-generation optical transceivers — including SFP, SFP+, QSFP, QSFP28, QSFP56, QSFP-DD, and OSFP modules.