Beijing Shangdetong Technology Co., Ltd. is a professional supplier of instrumentation systems. The business began in 1997, and the company adheres to the professional spirit of sincerity and sincerity, absorbs excellent professional and technical talents, strengthens cooperation with well-known domestic and foreign manufacturers, and provides high-quality products, good prices, and perfect services for domestic users. Our main products involve industries such as environmental protection, petrochemicals, education and research, electricity, metallurgy, steelmaking, coal, mining, agriculture, health, epidemic prevention, electronics, and construction. The company independently develops and produces air negative ion concentration measuring instruments, as well as industrial control instruments such as pressure, level, flow, temperature, and gas detection instruments. We promise to treat our customers sincerely and meet their actual needs as much as possible, which is our consistent goal. We have professional technical service engineers who specialize in providing comprehensive customer service, including product consultation, user training, after-sales service, and sales support. Beijing Shangdetong Technology Co., Ltd. will uphold the consistent principle of 'creating value for customers' and work together with you to create a brilliant tomorrow!!! The main agents for domestic and foreign brands include: * China agent for GMK moisture and acidity analyzer series from South Korea, * China first agent for Madu company's flue gas analyzer and biogas analyzer from Austria, * China first agent for 2B company's ultraviolet ozone analyzer from the United States, * China first agent for Germany's Bingde biogas analyzer, * China agent for MYRATEK company's suspended solids (SS) analyzer and fluorescence dissolved oxygen (DO) analyzer, * China first agent for Germany's BUHLER company's paramagnetic oxygen analyzer, * China first agent for Shanghai Zhongchen, Shanghai Shengsheng, Jinan Runzhi, Zhongyi Kexin, etc.