The pass mark for Skilled - Independent Subclass 189 is 60, and you do not appear to be eligible for this visa type. As Skilled migration is complex, we would advise you to contact us to check your likely eligibility for skilled migration before you proceed to apply.
In our experience, we find that each skills assessing authority looks at different criteria in determining whether your skills are suitable for Australian migration. We would be happy to advise you appropriately as to your future course of action which will give you the best chances of success. We also do undertake to prepare and lodge applications for skilled migration for our clients.
Please contact us to take this further.