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. 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. As the terminals send and receive data as the electrical signals, the optical modules have become an indispensable device for photoelectric signals conversion at both ends. Our housings are integrally die-cast from aluminum alloy. Optical modules are critical components in communication systems, responsible for converting electrical signals into.