苏州市桂丰精密不锈钢紧固件厂
Suzhou Guifeng Precision Stainless Steel Fasteners Factory
苏州市桂丰精密不锈钢紧固件厂
(DIN 84 - 1990)
grade, rigidity A2-70
DIN84 M2-M5;长度不超过50