Source of Yanwei Mountain.
1. Water Source: The water source of Yanwei Mountain Spring is located in the Yanshan Mountains in Hebei Province, China, while the Liangbaicheng Water Spring is located in Erhai Lake in Dali, in Yunnan province, China. .
2. Production process: Yanwei Mountain Spring uses multi-stage filtration, ultrafiltration, reverse osmosis and other processes to treat and purify water to ensure the purity and safety of the water. Liang Baicheng focuses on natural filtration and mineral supplementation to retain natural minerals in water.