- Duowei Corporation Grou
- andwich panel, prefab house, steel structure, c type steel, z type steel, knockdown floorsla.
- Address:changyang, Beijing, China,102445
- Hangzhou Meitong Science&Technology Co.,Ltd
- network cabinet, wall mounted cabinet, knockdown.
- Address:No.26 Kangzhong Road Kangqiao Gongshu Economic Park Hangzhou Zhejiang China
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