Inquiry about Blowout Preventer

I need to purchase a Blowout Preventer (BOP) system with specific requirements. The specifications include: - 6 cylinders, bladder type, with nominal volume of 11 or 15 gallons per cylinder. - Pressure parameters: nominal operating pressure of 3000 psi, nitrogen pre-charge pressure of 1000 psi ± 10%, alarm pressure at 2700 psi, and safety valve pressure between 3300-3500 psi; manifold regulator must be adjustable from 0 to 1500 psi. - Pumping system: equipped with an electric triplex pump (15-25 HP, 3-5 GPM flow rate) and pneumatic pumps (1 or 2 units, 50:1 or 60:1 ratio). The purchase quantity is for one complete set.