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based on the development of TECHNOLOGY FORUM OF TELECOM OPTICAL&ELECTRIC CABLE EQUIPMENT AND MATERIALS(TOEM Forum)，is mainly engaged in in https://toem.com.cn/about/
Shanghai Gengyun Industrial Co., Ltd.,
based on the development of TECHNOLOGY FORUM OF TELECOM OPTICAL&ELECTRIC CABLE EQUIPMENT AND MATERIALS(TOEM Forum)，is mainly engaged in in https://toem.com.cn/about/