在杭州的朋友,谁可以提供离子残留物测试服务。我司生产的是2级产品,采用免清洗的焊膏、焊剂,想测试下离子残留物。 产品工程处-林笃盛 ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________