Zhoushan is the core area of the Shanghai and Ningbo port group,China has 7 international shipping routes,among which 6 are across zhoushan sea area. Vessels over 300 thousand tons can pass through in all-weather conditions. Relying on China (Zhejing) Pilot Free Trade Zone,Zhoushan can provide bunker supply,Ocean Shipping Supplies,Ship Repair and other ralated maritime supporting services, which is becoming an international maritime service center with internationally competitive and influence.