Kelan Gaogai mineral water. The bottle body of Kelan Gaogai is blue. Kelan Gaogai mineral water is a trademark registered by Qingdao Blue Mineral Water Co., Ltd. on the China Trademark Network on June 21, 2015. Product services: water (beverage), mineral water, medical stone natural mineral water taken from Tangwang Spring in Laoshan, Qingdao, containing metasilicate, strontium, calcium, magnesium, potassium, sodium, fluoride, bicarbonate and other minerals and trace elements .