famous valley with high-quality water: the water source is located in the valley semi-enclosed by jialin mountain and leigong cliff in wanzai town, zhuhai city, where lies the underground loose rock mass pore mineral water and massive rock fissure mineral water, which are mainly distributed in the yan mountain phase ii intrusive rock structural fissure and weathering fissure. the main mineral water-bearing section is 70~97m above sea level, with the water level of more than 130m above sea level. natural water sources with high-quality mineral water: as approved and certified by aqsiq, the product is the only one that may use the mark of place of origin in zhuhai city. water conservation with the same source for zhuhai and macao:jialin mountain is separated from macao by a river, which shares the same water source with zhuxiandong reservoir and yinkeng reservoir specially supplying drinking water for macao, where dense forests with clean and pollution-free water lies, belonging to the drinking water source protection area of zhuhai.