Equa Global Communications SA / Ecua Global Communications S.A

Dear partners,

please be aware of Ecua Global Communications S.A.(LinkedIn company name on Equa Global Communications SA.). 
We interconnected with them in April 2019.

They owed us (Worldtone Technology CO.,Ltd.) 3019,961 USD from 6th May 2019 and when payment became due we chased and got reply said will pay on 28th May 2019. But till now they don't make any payment and don't answer to our e-mails and their calls are not available on it.

If any one work with them please kindly help to offset on it.