Alibaba (B2B) Script customization - repost2

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
Hello recently i bought Alibaba script,so i need web designer or programmer who can customize this script to suite my need:

Thing To do:

Signup membership area
-create nice and simple User Interface(layout),which have three diffrent option membership type
gold,Silver and bonze(with description for every membership type)
-when customer click signup for gold membership,its link to registration form and payment option.

Milestone payment
-the customer can put milestone to supplier,when the product and order arrive they can release the milestone,but if not,they can issue the dispute(this function exactly like

You can view the demo here:

admin area

password: admin

p/s: I need and expert to help me with this

Skills required:
Graphic Design, HTML, PHP, User Interface / IA, Website Design
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