hi, I am writing an introduction to our company, I am not native speaker and I am afraid that I have made a lot of mistakes in wordorder and also I am not sure if the meaning is right. Can you please check it, if it make some sense?
Thank you :
Good quality of repair is ensured with use of good-class materials and original spare parts as well as with continuous (through)testing during repair and thorough final inspection which also includes vibration measurements.
Shaft repair and subsequent balancing of rotor prolong the life and
effectivity of electric motors.
We provide:
-mechanical repairs as well as making of new shafts,endshields and other components,
-exchange of bearings
-balancing of rotors up tp 3 tons,custom-made production using CNC horizontal boring machine WH105
We offer the sale of new electric motors as well as the sale of refurbished electric motors in case of repair with method of exchange using our own stocks.
Can You please check it? The last sentence is the worst one :-P i guess

Thank You