vacuum freeze dryer water purification machine Aseptic homogenizer Ultrasonic Processor incubator drying oven Vacuum centrifugal concentrator High temperature test equipment muffle furnace gas generator vacuum pump viscometer cryostat Thermostatic bath clean bench Ultrasonic Cleaners Electronic blender Miniature hand centrifuge Magnetic stirrer oscillator Silicate phosphate analyzer rotary evaporator Nitrogen blowing instrument Electrophoresis apparatus Electric heating plate Water analysis equipment metal bath Grinder Dispersion machine ball mill Microplate reader Automatic plate washer Heat detector bacterial colony counter tea sifting and grading machine Fully automatic open flash point and ignition point tester Clean testing equipment