Finotek offers numerous aluminum and steel housings for manifold needs; Our valve housings includes single or multiple valve housings,Website:://.finotekpower.com, with different port threads and size as option. Screw-in Cartridge Valve Blocks is available to be manufactured in high strength of carbon steel, aluminum raw materials. The cavity for Screw-in Cartridge Valve is acceptable to be standard or custom industry valve cavity. Screw-in Cartridge Valve Block allowed the following cartridge valve equipment:Solenoid Screw-in Cartridge ValvePressure Screw-in Cartridge ValveFlow Screw-in Cartridge ValveCheck Screw-in Cartridge ValveLogic Screw-in Cartridge ValveAny custom valves etc.