See: OS Engines | JMA Modelismo
According to some sources there has been some confusion in the Portuguese distribution market, with the mighty Japanese engine manufacturer OS feeling compelled enough to issue an assurance and clarify who their national distributor is in Portugal…

O.S. Engines Mfg. Co., Ltd. Announcement:
Dear O.S. dealers and customers in Portugal, Thank you for selling and purchasing our products.  There is some confusion in the market who is the distributor in your esteemed county.  Here we declare that JMA Modelismo, Mr. Jorge Augusto is the one we have appointed.

Please contact him about our products.