Leytek high-speed project

Laitai Expressway is the "one horizontal" of Shandong's "five vertical, four horizontal, one ring and eight link" expressway network, numbered S26. It has been incorporated into one of the national highway network, its number: G22 (Qinglan Expressway), Laiwu ~ Tai'an section. The Laitai Expressway was completed and opened to traffic in 1992, with a total length of 63.3 kilometers and four lanes in both directions. Laitai Expressway connects the two cities of Laiwu and Tai'an. The road is set up Laiwu South, Laiwu West, Laitai Yangzhuang, Fan Zhen, Laitai Tai'an, Tai'an East, entrances and exits.

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Longyan Railway Project

Shanghai-Tong Railway Project

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Longyan Railway Project

Shanghai-Tong Railway Project

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Qingdao Ruisong Wire Rope Co., Ltd. has 4 prestressed steel strand production lines

2023-06-12

Qingdao Ruisong Wire Rope Co., Ltd. has 4 prestressed steel strand production lines,6 continuous wire drawing machinesadvanced production and inspection equipment provide strong guarantee for the safety and stability of products performance.

The purpose and characteristics of prestressed steel strands

2018-03-06

The prestressed steel strand has a wide range of applications, such as bridges, subways, railways, sleepers, poles, dams, nuclear power plants, high-rise buildings, and residential buildings. Its main characteristics are low relaxation, good stability, high tensile strength, long shelf life, and not easy to break. The main characteristics of prestressed steel strands are high strength and good relaxation performance, and they are also relatively straight when unfolded. Common tensile strength grades are 1860 MPa, as well as strength grades such as 1720, 1770, 1960, 2000, and 2100 MPa.

Congratulations on the successful conclusion of Qingdao Ruisong Group's expansion activities

2018-03-06

To enhance communication and collaboration among employees and promote team culture construction, the group company organized an expansion event on September 20th

Tel/Fax:+86-532-87901501

Mob: +8615065653009

E-mail: chen@qdrsgl.com

Mob: 18605325381

E-mail: shen@qdrsgl.com

Add: Qingda Industrial Park,Chengyang District,Qingdao City,Shandong Province,China

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