The improved safety helmet with tight hoop has been improved in three generations, which has greatly improved its appearance, structure, stability and comfort. The automatic telescopic ear cabin has the function of forcing the chin strap to fasten, providing safety escort for workers.
ZL 2022 2 1038809.X A self wearing retractable hat liner and helmet
ZL 2022 2 1938949.2 A self-adjusting hat liner and helmet
ZL 2023 2 3544349.5 An embedded safety helmet
ZL 2023 2 3590159.7 A pressure relieving safety helmet
