This is a joint venture company by nanjing University of Aeronautics and Astronautics Tenglong Machinery Co.,Ltd. Technology brazing diamond setting in order, which most advanced technology to make tool the world, presenting much higher performance ...

Company Overview: Dbolo Electronics Co.,Ltd was established in 1998,is a professional company that engaged the research and development production of early educational toys.We are one most competitive suppliers with advance technology on fields ...