We are Opus Verticals Pte Ltd based in Singapore, SingaporeWe are a Singapore company with associate and partner processing factories in Japan, Taiwan, Indonesia and Vietnam. Our business is related to Food & Beverage industry and we specifically deal in foie gras. Please find our product details below: Tuna Saku A, AA, AAA We are processing Tuna Saku from Vietnam and supplying to customers in HK, Malaysia, Russia, Singapore. Tuna Saku AAA Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.