Screw lotion pump, generally called hand sanitizer pressure pump. It can be used almost everywhere in life, such as cosmetics, skincare products, detergents, detergents, etc., many. When using it, we first discharge the air in the reservoir (that is, the plastic tube that can absorb the shampoo) by pressing. When the air is exhausted, press the pump head again. After letting go, the spring in...
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