Test item测试名称: Self-supportingenergized devices for the height adjustment of office work chairs调节办公座椅高度用自承重增能装置
Sample size送样规格: 3pcs finished products +manual
Lead time测试周期:45 workingdays
Others其他:
气压杆产品的中管(一般为直径28mm的管子)是什么材质?
表面处理是什么方式?
申请几级测试?
SampleReport 报告样本:
Sample forreference 参考图片: