Ningbo Zhuangda(Zoomda) Plastic Co.,Ltd (Yuyao XD Electronic Mould Factory) is a professional factory specializing in producing various kinds of electronic security alarms and auto parts integrated with R&D and produce. The company established in 1997, having the wide range of ability in product design and producing different kinds of new generation of other security products. The company is already an important factory in electronic security products and auto parts.

Our main products include different kinds of smoke alarms, carbon monoxide alarms, gas leak alarms, input/output module, loop isolator, sounder strobe, fire audio system, dust & waterproof cover and other home and car electronics.