Zheng'an Dun Disinfectant is good. According to relevant public information, Zheng'an Dun Disinfectant has good disinfection effect and is less harmful to the human body. It is produced by Shenzhen Zheng'an Dunfang Technology Industrial Co., Ltd. Shenzhen Zheng'an Shield Technology Industrial Co., Ltd. was established in 2015 and is located in Shenzhen, Guangdong Province. It is an enterprise mainly engaged in the wholesale industry. The registered capital of the company is RMB 3 million. It is located in Building 302, Building A1, No. 6373, Bao'an Avenue, Tangwei Community, Fuhai Street, Bao'an District, Shenzhen. Its business scope is investment and establishment of industries (specific projects will be declared separately). R&D and sales of security products, domestic trade, and import and export business. Technology development and sales of electronic components, integrated circuits, optoelectronic products, semiconductors, solar products, purification equipment, electromechanical machinery, and refrigeration equipment. Research and development of intelligent transportation products. Door-to-door installation, research and development and sales of road transportation facilities. Property management. Owned property for rent. Leasing of machinery and equipment (leasing of machinery and equipment without operators, excluding financial leasing activities). Agricultural machinery rental. Construction machinery and equipment rental. Computer and communications equipment rental. (Except for projects prohibited by laws, administrative regulations or decisions of the State Council and requiring approval before registration), the permitted business projects are: the design and construction of fire safety projects and security projects. Engineering professional contracting. Registered with Bao'an Bureau and is in business status.