2006

* TH1961 6 ½ Digital Multimeter was developed and identified as "Changzhou Key Science and Technology Project".

* Tonghui was rated as "Credit Integrity Enterprise" by Changzhou Bank Association.

* TH1961 6 ½ Digital Multimeter was developed and identified as "Changzhou Key Science and Technology Project".

* Tonghui was rated as "Credit Integrity Enterprise" by Changzhou Bank Association.

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