COMPANY PROFILE：      Ningbo Smart Pipeline CO.,LTD(Zhejiang Smart Import and Export Ltd)      The predecessor of our company is Zhejiang Waton Plast Co., Ltd. which is com mitted to PVC ball valves manufacturing for more than 13 years. Now we still keep the "WATON" brand in our product series.  Since the company was founded,All employees with professional technology, dedicated attitude,concentrate on service, have won the recognition and praise from many old and new clients.Ningbo Bridges Import and export., Ltd is our agent for dealing with the import and export business. &nbs...