The cap is designed as a small edge, with a zigzag reinforcing rib at the top, which enhances theimpact resistance above the head, and strengthens the edge of the cap and enhances the lateral protectionof the head. This product is made of high quality raw materials imported from Japan and advanced moldingtechnology in China. It is not softened in 120 high temperature places for a long time, and does not crackin - 20 low temperature places. Its overall performance is far greater than the requirements of the nationalstandard, Its performance indexes have reached the international level. 

Eight-point double-layer connection, adjusting hoop can choose button type, screw type or insert type.Special performance: flame retardant, insulation, lateral rigidity, suitable for port, shipbuilding, power, coalmining and other industries.

Accord with national standard GB2811-2019 standard.