On April 4, Nasdaq-listed company Shanggao (NASDAQ: TYHT) shares rose 44.95% to $1.58. According to the Odaily Planet Daily report, Zhang Yuying's Beijing Tianyi Xinma Biotechnology Co., Ltd. tried to use the blockchain technology to detect industrial cannabis planting in Hegang City, Heilongjiang Province. Xinma Bio is a wholly-owned subsidiary of Tianyi Jiahua, a subsidiary of Nasdaq-listed Shanggao, and the latest addition to the industrial hemp industry.