[Class : 42] Engineering Services; Engineering Consultancy Services; Advisory Services Relating To Industrial Engineering; Engineering Services In The Field Of Reducing Operational Costs Of Industrial Machinery; Engineering Design, Research, And Development Services Relating To Metal Products, Including Sucker Rods, Couplings, And Sub Couplings; Industrial Analysis And Research Services; Design And Development Of Oilfield Machinery And Equipment; Technical Consultancy In The Field Of Oil And Gas Production; Design And Optimization Of Artificial Lift Systems Including Sucker Rod Pumps And Related Equipment; Engineering Feasibility Studies; Preparation Of Technical Reports; Research And Development Of Machinery And Methods For Oilfield Extraction And Production; Industrial Design And Product Development; Metallurgical Analysis And Testing; Quality Control, Material Testing, And Inspection For Metal Components; Oilfield Equipment Design, Analysis, And Performance Optimization Services; Scientific And Technological Consultancy In The Field Of Metal Manufacturing And Material Science