Yuav ua li cas ua kom tiav kev tsim kho, kev teeb tsa thiab xa khoom ntawm cov nroj tsuag steel hauv 29 hnub? Yuav ua li cas kom ntseeg tau qhov zoo, kev nyab xeeb thiab kev vam meej? Yuav ua li cas kov yeej cov teeb meem ntawm lub paj kom tsis txhob muaj teeb meem ntawm txoj kev tsim kho? Qingdao Yihe Steel Structure Group Co., Ltd. tau cog lus los tsim Qingyuan noob kev lag luam lub hauv paus qhov project (Phase I) project los qhia koj cov lus teb.
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