At hhoplus.com we take customer service very seriously. As we constantly strive to improve how we work, customer service is vital in shaping the future of Oktan Plus. We don’t look at it as a means to create advertising headlines or to win awards; we treat it as the heartbeat that keeps our operation alive. Our Customer Service Representatives are available to answer your questions regarding orders already placed, problems, returns policy the status of shipments and information about our company. Should you have a question or problem, please contact our Customer Service Department Monday - Friday between 9:00 am - 6:00 pm (UTC/GMT +1 hour). By E-mail: info@hhoplusgas.com By Phone: +-351-244-697116