亚洲精品人成无码中文毛片-亚洲夜夜性无码-特级做a爰片毛片免费看108-亚洲av麻豆aⅴ无码电影-久久无码av中文出轨人妻-麻豆精品国产精华液好用吗

Lanling
Steel Structure Products
Home Steel Structure Products Service and Support

Design and R & D team:
The company's design studio was created in 1999, and was granted Grade A design qualification certificate by the Ministry of Construction in 2011, the company has 3 first-grade certified structural engineers, 5 senior engineers, 10 engineering designers, specialized in the design of portal frame, structural frame, multi-layer steel structure and bridge, long-span truss, pipe truss structure and other types of steel structures, the designers are mature in technology and rich in experience. The company has all kinds of professional design software, Zhejiang University space grid structure design software MST, 3d3s steel structure design software developed by Tongji University, PKPM developed by the Institute of Architectural Engineering Software of China Academy of Building Research and other domestic and foreign advanced design software.

Production and processing scene:

 

 

Lifting the scale of transport



Construction site scene




Test and test

Designed by Zhonghuan Internet  Copyright ? 2018 Jiangsu Lanling Chemical Group Co., Ltd. All Rights Reserved.