时间：
2019
-
06
-
24
The key control parts of the door lock drive (belonging to the precision injection molding parts, from the function of unlocking and locking the car door lock) have always been the exclusive product field of foreign countries. After learning from and absorbing the advanced mold development experience of foreign countries, our company has developed four synchronous parts with foreign countries after two years of exploration, and has accumulated very valuable technology in the field of copper inse...