宁波市镇海区贵驷朝阳五金螺钉厂
Ningbo Zhenhai Guisi Zhaoyang Hardware Screw Factory
宁波市镇海区贵驷朝阳五金螺钉厂
square head bolt (ASME B 18.2.1 - 2010)
grade, rigidity grade 8.8
Coating electroplating
按订单生产