Test item 测试名称：WC seats Requirements and test methods  坐便圈-要求和测试方法Test info 测试内容： ClauseTest Requirement4.1General information 普通要求4.2Connecting dimensions 连接尺寸4.3Product dimensions 产品尺寸4.4Exterior property 外观检查4.5Rigidity 刚性测试4.5(分项）Test A: load of the closed top cover 4.5(分项）Test B: load of the seat ring 4.5(分项）Test C: one-side load of the seat ring 4.5(分项）Test D: dynamic load 4.6Cushion 坐垫4.7Hinges 铰链6Marking 商标检查Sampling Requirement: 7 sets of completed products with assembly instruction (if applicable）                          样品要求： 全套样品7套并包含安装说明书（如适用)Turnaround time: normal (12 working days)所需时间： 标准（12个工作日）