SJD trading Co., Ltd is a professional manufacturer and master distributor of industrial valves, seamless weld pipes, pumps and fittings with more than 20 years experience in industry. Any problem on valves, seamless weld pipes, pumps and fittings, it is our pleasure to support. On April 25th-29th, 2016 , it is our pleasure to invite you to visit Booth A51-4 & A51-5 in Hall 5 in Germany Hannover Messe 2016. visit http://www.valve4s.com/en/ for further information. or email to sjd_susan@valve4s.com for your solution.