Shanghai WeiYao environmental protection technology co., LTD. Headquarters located in all cities - Shanghai, 21 years focused on industrial washing machine, electric sweeper, research and development and production of the industrial vacuum cleaner, and provide OEM for each big fellow friends business contract, the company has won the "AAA quality service integrity unit, AAA credit management demonstration unit, AAA grade credit enterprise, AAA credit suppliers, AAA level credit enterprise, contracts and AAA grade credit enterprise, drilling through the ISO quality management system "won the gold award, the history, research and development laboratory establish production-study-research cooperation relations with east China university of science and technology, research and development for the company business class cleaning machine, sweep the floor and industrial vacuum cleaners to provi...