21700 cylinder cell case
WEBBall Mill. Planetary Ball Mill; Roller Ball Mill; Stirred Ball Mill; Vibratory Ball Mill; Sand Grinding Mill; Grinding Machine; Laboratory Devices. Lab Spray Dryer; ... TOB New Energy can provide all kinds of cylindrical stainless steel and aluminum case for cylindrical cell 18650, 26650, 21700, 32700, 32140, 4680, 60138, etc.