About 2 Trademarks found that are owned by Liu Changchun

Blank USB flash drives; Chargers for electric batteries; Earphones and headphones; Power adapters; Protective cases for smartphones; Protective covers for smartphones; Rechargeable electric batteries; Wireless chargers; Wireless headsets for smartphones; Wireless speakers

Air conditioning installations; Air filtering installations; Bath installations; Electric fans for personal use; Radiators, electric; Showers; Steam facial apparatus; Storage heaters; String lights for festive decoration; Water heaters; Electric air deodorizing apparatus; Electric air driers; Electric coffee machines; Electric kettles; Electric light bulbs; Laundry dryers, electric