Kor u kaca ganacsigan "yar oo weyn" ee Weicheng!
Shandong Xinda Luxin Waterproof Materials Co., Ltd., oo ku yaala Degmada Weicheng, ayaa sumcadeeda u samaysay tunnel-kii ugu horeeyay ee Shiinaha - Xiamen Xiang'an Underwater Tunnel Project. Muddo 28 sano ah, waxa ay diiradda saartay cilmi-baarista iyo horumarinta alaabooyinka iyo adeegyada polymer-ka ee aan biyuhu lahayn, si tartiib tartiib ah u koraya hoggaamiye wax soo saarka polymer-ka ee Shiinaha.
eeg faahfaahinta