Viomi Technology Co. (VIOT.US) released a preliminary earnings report indicating that the company expects total revenue for the first half of 2025 to exceed 1.4 billion yuan, representing a substantial increase of over 70% compared to the same period last year. The performance growth is primarily attributed to the continued surge in sales of household water purification equipment, while support from national subsidy policies has also provided strong backing for the performance improvement. Following the data release, the stock surged over 13% in Friday's pre-market trading.