hy-62 fiber network equipment pon optical power meter China wholesale

Warm Notice to Users :

Please fax the “after service form”to our service department within 7 days after buying the products, so that we can verify your product.We will provide you the perfect after -sales service when receiving the form.The following situations are not within the scope of warranty service :

1. due to personal or non- maintenance units of the company agent disassemble , repair or damage caused by the failure ;

2. due to force majeure and human factors led to the failure or damage ;

3. the use of an external power supply voltage is not normal due to malfunction or damage ;

4. Consumable parts ( eg : Electrical welding electrode rod, cutter blades , OTDR optical connectors and adapters and a variety of battery )