宁波市鄞州横溪甬联紧固件厂
宁波市鄞州横溪甬联紧固件厂
Ningbo Yinzhou Hengxi Yonglian Fastener Factory
蛋颈螺栓鱼尾螺栓 (ASME B 18.10 - 2006 (R2016))
材料 碳钢