濾布; 減速機(jī); 氣動(dòng)元器件; 羅茨風(fēng)機(jī); 污泥脫水機(jī); 水下曝氣機(jī); 潛污泵及水處理藥劑

Filter cloth; Reducer; Pneumatic components; Roots fan; Sludge dewatering machine; Underwater aerator; Submersible sewage pump and water treatment agents