RS485信号电缆（厂家报价）哪家生产？图片

p1Src=//y1.yzimgs.com/uploads/328648/2017515-91759684.jpg?watermark/2/text/5aSp5rSl5biC55S157yG5oC75Y6C56ys5LiA5YiG5Y6C/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast"