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The domestic sales market is mainly used in telecommunications...

Nearly 60% of the products are exported to European...

The domestic sales market is mainly used in telecommunications...

Nearly 60% of the products are exported to European...

The domestic sales market is mainly used in telecommunications...

The domestic sales market is mainly used in telecommunications...

Nearly 60% of the products are exported to European...

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Provide technical support to ensure that products in trial operation of the system.

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