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On January 1, 1952, Qingdao Sixth rubber Factory of the Ministry of Chemical lndustry was established.
In 2004, the factory was moved from No. 36 Huayang Road, Qingdao to Changyang lndustrial Park, Jiangshan Town, Laixi City.
In 2011, it was transformed from a state-owned enterprise into a limited liability company.
LEAD-FLEX Madrid International trademark registration.
In 2015, it was awarded as Qinadao specialized and special new demonstration enterprise Awarded Qingdao Famous brand enterprise.
In 2018, the world's first set of pure water hydraulic support hose and China's first set of 8.8 meters high mining height hydraulic support hose were successfuly developed and put into use, Signed a cooperation agreement with Qingdao University of Science and Technology to open the "industry-university-research"cooperation model.
In 2020,it was awarded the "Key small giant" enterprise by the National Ministry of industry and informaton Technology Awarded Shandong Enterprise Technology Center Qingdao No.2 production base put into operation.
Won the award of Gazelle Enterprise of Shandong Province in 2021. Awarded as Qingdao technological innovation demonstration enterprise.
Awarded the natonal Enterprise Technology Center in 2022.
In 2023, the world's most "10 meters super high intelligent hydraulic support" was successfully developed, and all hydraulic hoses adopted our company's products and were praised.

+86-532-83027629

+86-532-83027620

+86-15732807888

+86-15373732999

Qingdao Changyang Industrial Park, Laixi City, Qingdao City