a custom script that is able to search alibaba.com for a certain keyword

alibaba.com data mining
1. a custom script is able to search alibaba.com for a certain keyword
2. then fetch a list of companies (along with all their details) found under that keyword.
3. also need to fetch from each company fetched above, a list of their products (along with descriptions and details of each)
The script is able to populate the results into a mysql table.
NOTE > the results must be able to fit into 'Softbiz b2b trading script' as easily as possible.
related links
http://www.freelancer.com/projects/neofutur_863425.html
http://webscripts.softpedia.com/script/E-Commerce/Catalogs/B2B-Trading-Marketplace-Script-929.html
http://www.rocketdownload.com/scripts/program/alibaba-clone-13296.html
http://www.rocketdownload.com/scripts/program/b2b-trading-marketplace-pro-1816.html