HMM Data Inc,  as a professtional fiber optical communication solution provider,  we provide customers all over the world with carrier-grade products that offer cost savings and cross-platform functionality.  

All of HMM Data's products are fully backed by an exceptional warranty time and   consistently superior support that exceeds customers' expectations.

The warranty period for HMM Data's products is 3 years against defect in materials or workmanship. Warranty doesn't cover damage caused by improper deployment, misuse and accidents. 

For technical support, please write to our Support Team at support@hmmdata.com or your sales representitive, we will offer you prompt service.

Warranty & Support