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
Socket flat head screws (DIN 7991 - 1986) 主打
grade, rigidity Grade 8.8 (HRC22~34)
Coating zinc plated color