Shanghai Tongka Industrial Co., Ltd. is located in Xinzhuang Industrial Zone, Shanghai. The products include dissolved oxygen electrode OXYSENS120, dissolved oxygen electrode OXYGOLD G, dissolved oxygen electrode OXYFERM FDA, pH electrode PHEF012SE, pH electrode PHES112SE, pH electrode E-1312-EC1-M10ST, pH electrode 405-60-SC-PPA, etc. We are a supplier of water quality analysis instruments and equipment mainly engaged in the application of water treatment technology, environmental protection, chemical industry, pharmaceuticals, power stations, and other related fields. We have a group of highly qualified and skilled professionals, as well as experienced engineering and technical personnel who have been engaged in the application and practice of water treatment technology and chemical reactions for a long time. We have a serious work attitude, solid business foundation, unity and cooperation, and rely on Shanghai Institute of Metallurgy, East China University of Science and Technology, and Shanghai Jiao Tong University to develop and produce a batch of advanced electrochemical sensors and instruments, creating a national brand. Main agent brands: Hamilton, Germany WTW, E H, Prominent, Knick, America JENCO, BJC, Aarhus, Taiwan, China SUNTEX, HOTEC. Our company is the first level authorized dealer of SUNTEX in Taiwan, China, China, and the first level dealer of JENCO in the United States.