Here you can apply RMA service 

RMA: Return Material Authorization

For faulty or detective products return, please kindly follow the following flow chart to apply RMA service or ask Hongdias local distributors or  partners for support:
Please email to [email protected]hongdian.com to obtain the RMA form and number 




Focusing on IoT market , helps customers improve the capability of decision-making and controlling

Contact an Hongdian expert and get started today!

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