Shanghai Hapstar Mechanical and Electrical Equipment Co., Ltd. (referred to as Shanghai Hapstar) was established in September 2010, focusing on the field of radiation monitoring. It is a technology-based enterprise that acts as an agent for sales, independently develops and produces, and implements diversified operations in engineering design. Our company is a high-tech enterprise and a contract abiding and trustworthy enterprise in Shanghai, and has passed ISO9001 quality management system certification; The OTCS11/3 organic tritium carbon extraction system developed by the main research and development team won the 2015 Shanghai Science and Technology Innovation Award. Through continuous development, our company has become a well-known provider of equipment, systems, and solutions in industries such as environmental protection, nuclear power and industry, disease control and health, and universities and research institutes. The users include the Ministry of Environmental Protection, environmental radiation monitoring centers in various regions, important customers such as China National Nuclear Corporation and Guangdong Nuclear Power. In the field of radiation monitoring, we are the agents of Narda S.T.S from Germany, ThermoFisher Fisher from the United States, Envinet from Germany, VF from the Czech Republic, Berthold from Germany, HI-Q from the United States, Hidex from Finland, and other companies in China. Through our professional technical and after-sales team, we have provided a large number of high-quality products and excellent services to users across the country, and have received unanimous praise. Shanghai Yixing Electromechanical Equipment Co., Ltd. has strong technical strength and a sales network covering all parts of the country. It currently has offices in Shanghai, Beijing, Guangzhou, Fuzhou, Chengdu, Nanning, Wuhan, Shenyang, Xi'an, Jinan, and Lanzhou. In addition, we have a strong and comprehensive after-sales team that can respond to customer needs in a timely manner. Our service is meticulous and deeply rooted in people's hearts. Adhering to the business philosophy of honest management, scientific management, and innovation, we are committed to establishing long-term and stable partnerships with our customers.