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ZhenJiang Great Phab Ntsa Hnyav Kev Lag Luam Technology Co., Ltd. (ntawm no thiab tom qab hu ua Great Wall) yog nyob rau ntawm lub nroog Zhenjiang, Sab Qab Teb ntawm Yangtze River, koom nrog Yangtze River Delta kev lag luam, muaj chaw nres tsheb ciav hlau ntawm Shanghai-Nanjing thiab Shanghai-Beijing High-speed railways;30 mais deb ntawm Zhenjiang seaport, 50 mais deb ntawm tshav dav hlau Changzhou, 70 mais deb ntawm tshav dav hlau Nanjing, thiab YangzhouTaizhou tshav dav hlau;Great Wall tau dhau ISO Quality Management System Certificate;nws WPS thiab welders tau dhau daim ntawv pov thawj BV;cov khoom siv raw thiab cov khoom tiav tau txais los ntawm International Thib Testing Institute xws li SGS, CCIC, CNAS thiab lwm yam;Tsis tas li ntawd, Great Wall muaj ob peb txoj kev ywj pheej R & D patents.

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