Hangzhou valve focuses on scientific and technological innovation and cooperation in production, learning and research. Currently, it has more than 70 national patents, including temperature reduction and pressure reducing devices, safety valves, among which, 8 patents are invention.
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CE-DNV-2 [最大宽度 2400 最大高度 1800]
Add：The Future Science and Technology City of Hangzhou, China.
Time of issue:2020-04-24 00:00:00