Bama Tea up 50%, Deepexi up 31%, CIG up 15%,Sany Heavy up 1% in Hong Kong Grey Market

Chinese tea supplier Bama Tea shares surged 50% in Hong Kong grey market.

Bama Tea offers products across all six major Chinese tea categories, along with tea sets and tea snacks. It ranked No.1 nationwide in high-end tea sales revenue in 2024, and No.1 among Chinese tea suppliers by the number of specialty franchise stores as of December 31, 2024.

Last year, Bama Tea reported revenue of RMB 2.14 billion, up nearly 1% year-on-year. Profit attributable to equity shareholders reached RMB 220 million, representing a 9% increase.

Chinese AI startup Deepexi Technology surged 31% in Hong Kong grey market.

Founded in 2018, Deepexi was initially recognized as a key player in the enterprise “middle platform” space—technology architecture designed to centralize data and operational infrastructure across business units. But in recent years, the company has pivoted sharply amid the generative AI boom, transforming into a full-stack enterprise AI application provider with flagship platforms such as FastData and FastAGI.

CIG, a company that focuses on connectivity and data transmission equipment, surged 15% in Hong Kong grey market.

The company, founded in 2006, is a global industry leader that provides critical infrastructure components supporting the development of artificial intelligence. It primarily designs, manufactures, and sells optical connectivity solutions, broadband solutions, and wireless solutions to its customers.

Sany Heavy Industry shares rose 1% in Hong Kong grey market.

The company produces a wide range of machinery, including excavation, lifting, road construction, and pile-driving equipment, and operates factories and offices in China, the United States, Europe, India, Brazil, and Germany.

The company posted RMB78.4b in revenue and RMB6.09b in net profit in 2024, with a gross margin of 26.7%. 

Its revenue for the first four months of 2025 also reached RMB3.48b. Sany’s growth is underpinned by a 60% self-supply rate, R&D investment of more than RMB19.6b since 2022, and a global network of 21 research centres holding 9,000+ patents.

The company is expanding electric and hydrogen-powered machinery whilst pursuing digital manufacturing and global market growth. Key risks include cyclical construction demand, competitive pressures, and geopolitical exposure.