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As a professional display shell manufactory, ShenMa have technology cooperation with advanced Japan company---Haga Japan. There are more than 1000 A type display shells for different effects.We enjoyed the reputation of " the first over-water display shell manufactory in the world" , and It is the national demostration base of safety fireworks production. We also have the A Class firewroks demostration qualifaction, there are 12 high-ranking fireworks-demo engineers and 30 middle-ranking firewroks-demo engineers.We successfully hold more than 1000 large scale fireworks display, they are China National Day 1999, HongKong and Macao flyback, the Nurnberg International Toy Fair in Germany in 2005,the American Independence Day in NewYork 2004 and so on