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sand washing business dz

Dazhang Filter Equipment Co Ltd was founded in Shanghai at 2004 As a group company now we have more than 600 employees in 5 branch companies named Shanghai Dazhang Filtrate Equipment Co Ltd Shanghai Dazhang Environment Protection Equipment Co Ltd Yuzhou Dazhang Filtration Equipment Co Ltd Henan Dazhang Filter Equipment Co Ltd and Zhengzhou Dazhang Filter Technology Co Ltd