Zhengzhou SuTong Electric Equipment Company is an integrated group corporation of scientific research , production and sales.It owns several production bases of experimental...
We are a professional vacuum furnace manufacturer in China, we offer kinds high quality furnaces for user,our customers from research institutions & universities,factories...
Dengfeng jinyu Thermo-electric Material Co., Ltd is a high-tech enterprise through ISO 9001: 2000 quality management system certification, and our factory got the honor of...
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