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
(ISO 7380 - 1997) 促销
grade, rigidity grade 8.8
Coating electroplating
按订单生产,等级从8.8-10.9级,规格从M6-M16