Second hand diaphragm filter press, second-hand program-controlled pressure filter, second-hand coal washing filter, recycle used diaphragm filter press, second-hand coal washing filter, recycle used filter press (plate frame filter, box filter, diaphragm filter, vane filter, cylinder filter, vacuum drum filter, sand rod filter, titanium rod filter, etc Second hand pharmaceutical equipment, second-hand Chinese herbal medicine extraction equipment, second-hand chemical equipment, pharmaceutical biological equipment, fermentation and extraction equipment, biotechnology equipment, biological fermentation dairy equipment, biological fermentation equipment, second-hand pharmaceutical equipment, second-hand food equipment, second-hand extraction equipment, second-hand starch equipment. Second hand feed equipment, second-hand yeast separator. Second hand horizontal Spiral Sedimentation discharge centrifuge, second-hand horizontal spiral filter centrifuge, second-hand horizontal scraper discharge centrifuge, second-hand flat discharge centrifuge, second-hand three foot discharge centrifuge, and second-hand imported horizontal Spiral Sedimentation discharge centrifuge. Starch separator; imported centrifuge; yeast separator; diaphragm filter press; double cone dryer; flash dryer; centrifuge; extraction tank; fermentation tank; freeze dryer; single effect evaporator, double effect evaporator, three effect evaporator, four effect evaporator, falling film, rising film, concentration evaporator, etc