NVIDIA has announced the resumption of shipments of its H20 chips to China, a development that has bolstered the strength of NVIDIA-related concept stocks. On July 15, both Hongbo Stock and CEC Port reached their daily trading limits, while Hongxin Electronics, Hengrun Stock, and Shunwang Technology recorded gains exceeding 5%. Qingyun Technology, Boxia Technology, and Sangfor Technologies also posted notable gains. Concurrently, NVIDIA's share price surged by over 4%, reaching an all-time high. The resumption of H20 chip supplies, specifically tailored for the Chinese market, serves as a positive catalyst for related concept stocks in the A-share market.