i have submitted lot of Articles to Article submission sites, related my product. That Articles are in the google first SERP page. is it good Achievement ? But my site is not in the google Top SERP pages.........
Articles sites like Ezine Articles are considered as authority domains by Google. Therefore articles submitted on these sites tend to rank well in Google with long phrase keywords. Pump out more articles to get visitors on your site.
As long as it deliver good amount of visitors to your site, it'll be alright. May I know the efforts you give to your main site besides article submission? If you rank at the first page for your articles, it would also be easy for you to outrank them thru your main site.