| Qingdao Hanshan metal material Co. Ltd. (South Korea) steel structure workshop
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| Qingdao Hanshan metal material Co. Ltd. (South Korea) steel structure workshop, project location: Qingdao economic and Technological Development zone. The construction area of 7000 square meters, single span 24 meters, equipped with 20 ton crane, eaves height of 11 meters.
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