Período : 2017/10/31 - 2020/10/31
organismo emisor : Shenzhen Technology Innovation Committee
Período : 2017/10/29 - 2018/10/29
organismo emisor : Beijing zhong-an-zi-huan certification center
Período : 2014/5/13 - 2024/5/13
organismo emisor : Shenzhen Huatongwei international inspection CO.,
organismo emisor : Shenzhen huatongwei international inspection CO.,L