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Shanghai YIYA Electronic Instrument CO.,LTD.
Shanghai YIYA Optoelectronics Technology CO.,LTD.
No.8910 Hunan Road,Pudong New District,Shanghai,China
Tel:+86-21-58189328
Fax:+86-21-58189352
E-mail：zj@sh-yiya.com
                tzy_sh_yiya@163.com