1.Special pin: carbon steel material 2. non-standard pin 3.passed ISO9001,ISO/TS16949 4.color,diamter,length ... according to req 1.Special pin: carbon steel material2. non-standard pin3.passed ISO9001,ISO/TS169494.color,diamter,length according to ... req Special pin (pin ,non-standard pin) we have experienced more than ten years in the ...