The Persian Gulf Waterways Management Organization's stern warning to parties related to the Sinokor Shipping Company The Persian Gulf Waterways Management Organization: Ships belonging to the Sinocor Shipping Company have committed the most traffic violations during the past 3 months, and appropriate enforcement actions have been taken against at least 7 of them. All cargo owners, beneficiaries and insurance service providers are warned that legal action will be taken against all vessels of this company starting November 1st.