(skin replacement )
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shandong qingtao metal materials co., ltd. is located at no. 9, taishan north road, liaocheng economic and technological development zone, shandong. it is the largest spiral welded pipe manufacturer in western shandong. shandong qingtao metal materials co., ltd. covers an area of more than 130,000 square meters, with a total assets of 530 million yuan and more than 200 employees; shandong qingtao metal materials co., ltd. currently has equipment
www.banyuetan.org 2023-10-06
