南京比尔沃五金公司X生产精密五金车削件、非标加工件、压铆件、不锈钢螺纹紧固件产品!有不锈钢滚花不脱出螺钉GB839、不锈钢滚花手拧螺钉、滚花高头螺钉、滚花台阶螺钉、滚花台阶螺母、不锈钢滚花螺母、滚花铜套、滚花调节螺钉、不锈钢销轴、铜套、铜螺母、不锈钢六角隔离螺柱、六角铜支柱、定位珠。青岛滚花不脱出螺钉、青岛滚花手拧螺钉、青岛滚花台阶螺钉、青岛滚花高头螺钉、青岛不锈钢滚花螺钉、青岛滚花手拧螺钉生产厂家、济南滚花不脱出螺钉、烟台滚花手拧螺钉、枣庄滚花不脱出螺钉、GB839