The mother of nylon lock, metal lock master, K cap, hex nut, cap-shaped, butterfly hats and all kinds of washers, retaining rings, pins and so on.
尼龙锁紧母、金属锁紧母、K帽、六角螺母、盖帽形、蝶形帽及各式垫圈、挡圈、销类等。
The utility model can be designed into sports, traveling and leisure hats, and can also be designed into the type of safety cap.
本实用新型可设计成运动、旅行休闲等形式的帽子，也可设计成安全帽形式。
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