Jan 21, 2019
After using the cast iron water of No. 18 or above, after adding the spheroidizing agent, the pipe is formed by high-speed centrifugal casting of the centrifugal ductile iron machine, which is called a Ductile Iron Pipe, which is simply referred to as a bulb, a ductile iron pipe and a ductile cast pipe.
China's Ductile Iron Pipe and Fitting industry started in the early 1990s with the strong support of the China Urban Water Supply Association. After nearly 20 years of practical use, its safety and practicality have been widely recognized by the water supply industry. The annual output has reached 2.2 million tons, 11 times that of 1990. As China is a country with a lack of water resources, there are more than 600 water-scarce cities and more than 200 water-scarce cities. The water supply and water-saving business is in the ascendant, and Restrained Joint Ductile Iron Pipe have broad prospects for development.
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