Well-planed and standardized-furnished development Zones of Wuxi have been the top choice for outside investors, who can enjoy "one-stop" comprehensive services including industrial and commercial bureau, taxation bureau, customs, commodity inspection bureau, finance and insurance etc. In addition, export processing zone, fast and easy customs clearance office and public bonded warehouse etc. in development zone provide a lot of convenience to investors. There are altogether 4 national-level development zones, 11 provincial-level development zones and 2 municipal-level key parks with respective characteristics and attract investment from outside in different areas.