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10-2-204,Huayuan mansion,Gudun Rd,Hangzhou,Zhejiang Province,China China
联系人 Mr. Fred Fung
办公地址 10-2-204,Huayuan mansion,Gudun Rd, Hangzhou, Zhejiang Province
Technical parameters: Base pipe: High-frequency weld steel pipe or Straight seam weld steel pipe or helix weld steel pipe or seamless weld steel pip
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