For products such as pump heads, a spring needs to be placed in the pump head to press the liquid out. However, there are also two types of springs, internal springs and external springs. External spr...
There are two common types of pump heads: external spring pumps and internal spring pumps. They differ slightly in structure and operation principle. Here are the differences between them: Structural ...
Introduction: Plastic dispenser oil pumps have gained popularity in various industries due to their convenience, cost-effectiveness, and versatility. However, one important question that arises is whe...
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