Composite metal decking

I am looking for a Freelancer who can create good quality external links to promote the following website using the keyword term. The website is currently listed in position 6 Search engine:- [login to view URL] Website is:- [login to view URL] Keyword:- composite metal decking Current listing position:- 6 On-page optimisation has been completed only external links are required for promotion up the rankings. Please offer your most competitive fixed price for the work based upon the site achieving ranking results, In return for your work I propose milestone payments which will be released for achievement of ranking position listing Milestone payment 2 - Page 1 Position 5 to 3 Milestone payment 3 Page 1 Position 1 Submission of link building reports confirming all links created will be required to be supplied at each milestone payment. I look forward to your offers.