This lotion pump is engineered with "large - capacity adaptation" as its core. It features an extra - large internal liquid storage chamber and a high - flow dispensing channel, enabling it to handle high - viscosity or high - volume daily chemical liquids with ease. For example, when used with 1L - 5L bulk laundry detergent bottles or 3L household cleaner containers, it can dispense 3 - 5ml of liquid per press—meeting the "one - press, one - use" demand for bulk products and avoiding the inconvenience of repeated pressing. The pump’s sturdy structure (with a reinforced pump body and thickened piston) can withstand the mechanical wear of automated assembly lines in large - scale production, reducing the risk of damage during high - speed packaging.