With advanced manufacturing technics, Pengli specializes in manufacturing high-tensile hex socket screws and hex head screws.
采用先进的制造工艺、专业生产高强度内六角螺钉，六角头螺钉。
High Strength bolts: all kinds of grade 10.9 and 12.9 high strength hex and hex socket screws, bolts, sleeves, pipe plugs, shoulder screws, stainless steel hex socket bolts, set screws.
高强度螺栓类：库存各种规格的10.9级、12.9级高强度内外六角螺丝、螺栓、套筒、喉塞、塞打、不锈钢内六角螺栓、刀把螺丝、 机米。
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