Shenzhen Wanxun Automation Co., Ltd. Senners Branch (stock code 300112) is a wholly-owned core subsidiary of Shenzhen Wanxun, a listed company. Founded in 1995, it specializes in pressure transmitters, differential pressure transmitters, and temperature transmitters. A national high-tech enterprise in the research and development, production and sales of instruments. There are five series of pressure and differential pressure transmitters produced by Senna with nearly one hundred specifications. There are seven categories and hundreds of specifications for temperature products, which meet the intelligence of various automatic control, automatic detection and intelligent control systems. Monitor requirements. Products are widely used in military industry, petroleum, gas, chemical, electric power, fire-fighting Internet of Things, smart water, new energy, construction machinery, water conservancy and other industries. The company introduces imported production and testing equipment, and adopts international leading production technology and technology. The company has successively obtained ISO9001:2015 international quality system certification, China's measurement equipment level certification and high-tech enterprise certification. Related products have also obtained industry standard certifications such as intrinsic safety, explosion-proof, SIL, and ATEX.