NingBo DanTing Gas co., Ltd., founded in August 30, 2006,it is a manufacturing Company of Gas and other chemical products ,who contains research, development, manufacture of cryogenic liquid gas, Sandard gas and other chemical products. Such as oxygen, nitrogen gas field production projects, the company not only With advanced standard gases preparation and analysis equipment, also has a well-trained professional distribution team and top Pointed analysis of the technical personnel, and to rely ...