U&D Environmental Equipment Technology Co., Ltd is engaging in environmental equipment industry , covering from technology development , to production as well as marketing . In China, we have established a nationwide sales and service network. U&D core business involved aeration equipment production and service on any aeration construction or maintenance project. Our products include: fine bubble diffuser, mixer, decontamination equipment, grit catcher, sludge scraper, decanter, dosing-equipment, disinfection equipment, deodorant equipment . We specializes in the research, development and application of advanced technology aeration and biological treatment solutions for municipal and industrial wastewater treatment. U&D has more than 200 employees, they are long-term commit to environmental equipment research, development, production and marketing services; we established a perfect production management and quality control system under ISO9001 standard, and ready to provide customers with best after-sales service .