Clause

Test Requirement

Sample required:  at least 9pcs of completed products per headform size per stype with instruction (if applicable) is recommended.

样品要求 :每款头盔每种头形尺寸的头盔至少9个,包括说明书(如适用).

Turnaround time: normal (7～9 working days).

所需时间 :标准（7～9个工作天).