The finished product promotional film of Dongcheng power tool lithium battery platform starts with visual effects to show the internal structure and upgrade of the 20V battery. The ritual feeling makes the 20V battery appear in a "brand-new" posture, and the generality of the 20V battery pack is used as the series connection of 7 different products on the platform, combined with visual effects and information animation, from application to full presentation of data. Once again, the 20V battery pack and the entire series of products are presented in front of the camera in a heroic manner.

The whole lithium battery platform product promo can be said to be completed in one go, domineering.