• Shanghai Joinwit Optoelectronic Tech Co.,ltd

    Established in 1998, Joinwit Optoelectronic Tech. Co., Ltd. is a joint-venture company which specializes designing, R&D, manufacturing and selling optical fiber test instruments equipments as well passive components to domestic overseas market. Fully compliance with ISO9002 ...

    Telephone:86-21-64357213Address:910 road minhang district, shanghai, china, China

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