亚洲国产精品无码久久98温泉中出,国产精品久久久久久黄无码,被俩个黑人前后破苞的女人,99久久久无码国产精品66

The North's largest steel base in Tianjin

The North's largest steel base in Tianjin

         Recently, the North's largest steel production base - CCT Steel Co., Ltd. Tianjin Steel production plant groundbreaking in Xiqing District, the high-end metal products industry. The total investment of 1.5 billion yuan, construction steel products targeted for high-end equipment.

         At this point, built in steel production facilities throughout the East and West, for the improvement of the industrial chain, to achieve industrial integration has taken a key step. As the main representative of green buildings, steel building with a light weight, seismic performance, high tech, construction speed, energy-saving and environmental protection, utilization of reusable advantage.