The United States is the first country in the world to implement legal control over ship ballast water discharge. Its ballast water discharge standards are recognized as the most demanding standards in the world. Some indicators are 100 to 1000 times higher than international maritime standards. Some indicators are close to or Achieve zero emissions. Today, a total of 12 models of Qingdao Shuangrui Ship's ballast water management system have all passed the certification, becoming the first system in the world to receive this certification.
Qingdao Shuangrui launched a research on ballast water management system in 2006. Now it has become one of the three major manufacturers of ballast water management systems in the world, and has become the only one in the world to hold the four world-class ships of Norway, Britain, France and China. A system of type approval certificates that enters the global ship market.
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