TOB offers all kinds of cylindrical cell (18650, 21700, 26650) Cases and Caps, Safety valve, Seal O-ring, Insulating gasket, Sub-components of the safety valve structure.
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.