工艺要求：

                                           层次：双层

                                      表面处理：喷锡                                         

                                           丝印：绿油

                                           字符：白字

                                            环保工艺

                                       线宽线距：4/4mil

                                       小孔径：0.25mm

                                       打样交期：3-5天

                                       量产交期：5-7天

                                 诚信合作，长期服务！