海盐专业的马车螺栓厂家-英菲螺栓厂

Infly Fasteners a factory of carriage bolts and US mushroom head square neck bolts in DIN603 and ASTM A307 in inch. our factory is produce the carriage bolt and us carriage screws in inch.

海盐英菲螺丝厂是一家专业的马车螺栓厂家，专业生产各种类型的马车螺栓如短方颈，低方颈，矮方颈螺栓，沉头半圆头方颈螺栓等.