yes归stainless steel multi-connection filter, column thermostat, adjustable flow nitrogen blower, circular nitrogen blower, water bath nitrogen blower, dry nitrogen blower, automatic lifting nitrogen blower, nitrogen blower, nitrogen blower, nitrogen purge meter, nitrogen concentrator, multi-tube vortex oscillator, multi-tube mixer, vortex mixer, multi-tube oscillator, 12-position solid phase extraction device, 24-position solid phase extraction device, 12-position solid phase extraction device, square solid phase extraction device, square solid phase extraction device, sterile homogenizer, slap homogenizer, all
