Jian Zhong Ma

Jian Zhong Ma

Director/Board Member at Ningxia Ruiyin Nonferrous Metal Technology Co., Ltd.

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Jian Zhong Ma currently works as a Member-Supervisory Board at Ningxia Ruiyin Nonferrous Metal Technology Co., Ltd.
His current job is also at Ningxia Ruiyin Nonferrous Metal Technology Co., Ltd.

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Director/Board Member -
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