We have a quantity of used 13 5/8 5000psi RHONGSEN BOPs available in good condition at our surplus scrap yard in PAPUA NEW GUINEA.Please let us know your interests, as we intend to dispose off surplus oilfield equipment in our inventory.Sold as is as re-certification is not possible nor cost effective to us,thus intend to sell off at a minimum price. Looking forward to your interest.Best RegardsGraeme Ellis Ellis Worldwide ExportsABN#48861165548Address: Botanic Ridge Vic 3977Tel: 61 433918404.Mobile.www.ellisworldwide.com