Test or certification item 测试或认证名称: 银制品纯度检测
Refer products 涉及产品: 银器...
Lead time 周期: 常规服务 regular service 7 工作日 working days ( URGENT service, to be confirm, 加急服务待定 )
Sample size 送样规格: 30g per color per material 每种颜色每种材质
Photo for reference 涉及图片:
Sample report 样本报告: