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USB rau serial CH340 converter cov ntaub ntawv kis tau tus mob module USB rau RS485 adapter tsis muaj cable

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Cov ntaub ntawv tuam txhab

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FAQ

Q: Koj puas yog tuam txhab lag luam lossis chaw tsim khoom?

A: Peb yog cov chaw tsim khoom.

Q: Koj puas muab cov qauv?puas yog dawb los yog ntxiv?
A: Yog, muaj cov qauv nqi

Q: Koj cov nqe lus them nqi yog dab tsi?
A: T / T, Credit card, Paypal, West Union

Q: Kuv puas tuaj yeem tsim cov khoom tshiab ntawm kuv tus kheej?

A: Yog lawm, peb tuaj yeem kho cov khoom tshiab thiab tsim qauv tshiab rau koj.

Q: Peb tuaj yeem lav peb cov khoom zoo li cas?
A: Qhov zoo warranty yog ib xyoos.


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  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb