胶钉散热器是一种用于电子设备散热的元件，通常由导热材料和胶钉结构组成。它的主要作用是有效地将电子元件产生的热量散发到周围环境中，以防止设备过热，从而提高其性能和延长使用寿命。

膨胀螺丝，也称为膨胀锚或膨胀钉，是一种用于将物体固定在混凝土或砖墙等坚硬材料上的紧固件。它的工作原理是通过膨胀来增加与基材之间的摩擦力，从而实现稳固的固定效果。

The use of nail free adhesive is significantly more expensive than the cost of glass adhesive, and on the surface, many manufacturers find it difficult to accept. Because I feel that the price is too high, but nail free glue is only an auxiliary material, so the high price is acceptable.
The capacity of nail free adhesive: The capacity of nail free adhesive can be guaranteed to be sufficient, and there will be no cutting corners due to other reasons. Regular manufacturers focus on their own image, quality, and brand effect, so the capacity can be assured. It is important to purchase products from regular manufacturers and not be tempted by cheap prices, which may result in insufficient nail free adhesive capacity.