化糞池設(shè)計、修建；下水道管網(wǎng)設(shè)計、修建；污水治理；化糞池清掏；下水管道疏通；房屋補漏；水電安裝、維修.（須經(jīng)審批的經(jīng)營項目，取得審批后方可從事經(jīng)營）***

化糞池設(shè)計、修建；下水道管網(wǎng)設(shè)計、修建；污水治理；化糞池清掏；下水管道疏通；房屋補漏；水電安裝、維修.（須經(jīng)審批的經(jīng)營項目，取得審批后方可從事經(jīng)營）***      收起-