DongGuan Observer Machinery Co.,Ltd is a professional equipment manufacturers,Mainly for electronic transformers, relays, solenoids, voice coil, inductance and other manufacturers to provide variety of peripheral devices.Products include: winding ...

JH Electronic Technology is a manfactory and dealer of coil winding machine relative parts.We always insist on quality first, with many years rich R&D experience strict QC system, our products meet or exceed related international standards, such as ISO 9001. ...