• 1997

  In 1979,Qingdao Jiaonan Government built a factory for ship building business. The factory was named “Lingshan Ship building Co., Ltd” and the factory was owned by the government. One of her branches seated in the Zhuhai Industry Zone, the branch was the predecessor of our company. The main business is steel structure building and ship building. In 2000, the Jiannan Government decided to transfer Lingshan Shipbuilding Company into private enterprise. At the same year, Lingshan Shipbuilding Company combined by Korea Hyundai Shipbuilding Co., Ltd. And we became an independent private company with the name Lingshan Steel Structure Co., Ltd. The main products the same.

• 2003

  In 2003,we join in the china Steel Construction Society.

• 2005

  In 2005,we became a director of Shandong Steel Construction Inspection and design society.

• 2006

  In 2006,the factory expanded the produce ability to 3000 ton per month.

• 2009

  In 2009,we get the China classification society certification.

• 2012

  In 2012,we get the produce license for pressure vessel. In order to serve the import and export business, another branch named Tianjun Steel Structure Engineering Co., Ltd established.

• 2014

  In 2014,the China Harbor Engineering company settled in Lingshan factory and joint investment in a Saudi Arabia project and the project finished successfully in the same year.

• 2018

  In 2024, to meet the expanding global market demand, a new production base was established in Weifang, Shandong, covering an area of 75,685 square meters. Equipped with advanced intelligent CNC production lines, the facility significantly enhances our manufacturing capacity and precision.

• 2026

     <span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102); font-family: Poppins, Arial, Helvetica, " microsoft="" yahei",="" "wenquanyi="" micro="" hei",="" "heiti="" sc",="" "pingfang="" "hiragino="" sans="" gb",="" sans-serif;"="">In 2026, Qingdao Lingshan Material Co., Ltd. was officially renamed to Qingdao Lanjing Steel Structure Co., Ltd. This strategic move integrates three specialized subsidiaries into a unified group, strengthening the "Lanjing" brand and enhancing our comprehensive service capabilities in the steel structure industry.