Bayanin gamayya na ma'amalar samfurin Screw thread: farashin sandar waya a kasuwar Hebei ya ragu daga sama zuwa ƙasa: Anfeng ya ragu da 20, Jiujiang ya ragu da 20, Jinzhou ya daidaita, Chunxing ya ragu da 20, Aosen ya ragu da 20;Wu'an sandar waya Yuhuawen, Jinding da Taihang;Farashin kulle a...
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