中国重庆市江北区 Jiangbei District, Chongqing Municipality, China

(江北区)重庆长安汽车股份有限公司
Changan Automobile Company Limited
(江北区)重庆奥特光学仪器有限责任公司 - 生物显微镜、金相显微镜、工业显微镜,倒置、荧光、暗场、偏光、体视、数码摄像显微镜
Chongqing Optec Instrument Co Ltd - biological microscope, fluorescence microscope, polarizing microscope, inverted microscope, metallurgical microscope