Oct 3 (Reuters) - Gunvor Group Ltd GGL.UL :
* Gunvor says secures us $500 million facility to support new activities in United States
* Gunvor says has opened an office in Houston, Texas that initially will be trading refined products, natural gas, and asphalt/bitumen
* Gunvor says new credit facility is jointly lead-arranged by Rabobank and ABN Amro Source text for Eikon: ID:nCCN2LqlXS Further company coverage: GGL.UL