DongDing Flanges is a large professional manufacturer and trade enterprise.DongDing Flanges was established in 1998 and has more than 200 Employees.,We can produce about more than 800 tons of flanges per months and supply all types of flanges.such U.S standard series,British standard series,Germany standard series,France standard series,Japan standard series,and Gost standard series and customers' drawings for special use. ...
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