[Class : 40] Custom Assembling Of Propulsion Systems For Aerospace Vehicles; Custom Manufacturing Of Propulsion Systems For Aerospace Vehicles For Others; Custom Assembling Of Space Launchers; Custom Assembling Of Rocket Boosters; Custom Assembling Of Thruster Units; Custom Assembling Of Aircraft Vehicles; Custom Assembling Of Thrust Reversers; Custom Assembling Of Aircraft Engine Pods; Custom Assembling Of Propulsion Systems For Aerospace Vehicles; Heat Treatment Of Metal Surfaces; Custom Manufacturing Services For Others In The Field Of Propulsion Systems For Aerospace Vehicles; Custom Manufacturing Services For Others In The Field Of Aeronautical And Space Vehicles; Grinding; Machining Parts For Others; Treatment And Coating Of Metal Surfaces; Metal Fabrication And Finishing Services; Prototype Fabrication Of New Products For Others; Custom Steel Rolling And Fabrication To The Order And Specification Of Others; Processing Of Metal Surfaces Using Precision Grinding Techniques; Processing Of Metal Surfaces By Precision Grinding And Abrasive Polishing; Heat Treatment For Metal Surfaces; Window Tinting Treatment Being Surface Coating; Treatment And Coating Of Metal Surfaces; Services For Blast Treatment Of A Surface; Environmental Remediation Services Being Treatment Of Polluted Surface Waters; Custom Assembling Of Propulsion Systems For Aerospace Vehicles; Custom Manufacturing Services For Others In The Field Of Aeronautical And Space Vehicles; Custom Manufacturing Services For Others In The Field Of Propulsion Systems For Aerospace Vehicles; Welding Services; Ceramic Welding; Metal Welding; Rental Of Welding Apparatus; Rental Of Electric Welding Apparatus; Processing Of Metal Surfaces Using Precision Grinding Techniques; Processing Of Metal Surfaces By Precision Grinding And Abrasive Polishing.