Shenzhen Post Office Customs seized cannabis with a gross weight of 2,103.1 g in transit cargo, according to a “Customs Release” WeChat notice reported by Guangming Online and Southcn.com on 5 September 2025.[1][2] On the day of the check, officers screening transit parcels saw an abnormal X-ray image.[1][2] The parcel held eight boxes of snacks whose weight did not match the packaging; officers judged it might conceal drugs.[1][2] Inside the snack wrappers they found plant material wrapped in multiple layers of plastic.[1][2] A reagent test was positive for tetrahydrocannabinol and laboratory analysis confirmed THC in the plants.[1][2] Customs said the case was transferred to its anti-smuggling branch.[1][2]