Dongguan Zhenglang Precision Metal Parts Co., Ltd. is a secondary supplier of Huawei Communications, mainly supplying rotary gearboxes for signal receivers on signal base stations. The design can adapt to the working environment from cold -40 degrees to high temperature of 80 degrees. Whether it is ice and snow in northern Europe or hot Africa, Zhenglang gears all over the world! Escort the communications of people all over the world!