Qingdao Junray oye Instrument Co., Ltd. Imeeli:yanrin@zryq.cn/christi@zryq.cn Whatsapp: +(852) 46070811/ + (86) 15200340023 Tẹli: +86 400 087 2012 adirẹsi: No.10 Jianning Road, Qingdao, China