a片小视频在线观看|久久性色国产视频|欧美熟女久草亚洲一级片无码|影音先锋日本无码|蜜桃av一区二区三区精品人妻|亚洲永久无码7747|嫩草免费在线手机|啊啊啊啊国产免费看|国产一级婬片A片AAA蜜臂|成人无码欧美大片免费看

About Open

Open is an integrated architectural group company specializing in R&D, design, manufacturing, and engineering, with its headquarters located in Shanghai's Pudong New District. The company boasts first-level qualifications in general contracting and steel structures, along with special-grade qualifications for the design and construction of architectural metal roofs and walls. At its core are Shanghai Open Construction Engineering Co., Ltd., Shanghai Open Steel Structure Co., Ltd., and Nantong Open Construction Technology Co., Ltd., Hubei Open, Lanke Seismic Reduction, and FastLink Door Industry. Open is committed to structural innovation, offering clients superior, cost-effective architectural solutions.

NEWS

Reference Cases

car
Automotive
mechano-electronic
Mechanical and Electronics
electric appliance
Electrical
biological medicine
Biopharmaceutical
warehouse logistics
Warehousing and Logistics
chemical engineering
Chemical
food and beverage
Food and Beverage
FMCG
Consumer Goods
Shopping malls
Shopping Malls/Office Buildings
public buildings
Public Buildings