Ningbo East Ling plumbing air conditioning accessories limited company was established in January 1992, professional manufacture (unique, not to produce other products) Fire exhaust valves, valve accessory products - series executive body.In 1995 the company registered trademark "Dingle ", 1996 for the first patents, and has obtained 20 patents, including two invention patents, covering all the products. The company was named  ......

 

  Warmly celebrate the establishment of Henan marketing center!!

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