What is the general salary of an apprentice in car modification?

The monthly salary of car modification apprentices ranges from 3000 to 9000 yuan. Because deep modification must be carefully studied, car modification needs careful consideration. Automobile modification refers to the modification of the shape, internal structure and mechanical properties of automobile prototype according to the needs of automobile owners. The emphasis includes the modification of body and power. The contents of apprentices' learning in automobile modification mainly include the following four aspects: 1, chassis modification: replacing shock absorber, balance bar, lower swing arm, rim tire, etc. 2. Power system modification: programming, intake and exhaust modification, turbine replacement, in-cylinder forging, etc. 3. Appearance modification: front and rear bars, wide body design and tail modification. 4. Interior modification: modification of steering wheel, seat, instrument panel, etc. The above four points are the basic knowledge that an apprentice needs to know.