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on october 15, 2017, prof. li baoshan from beijing university of chemical technology visited our company and gave an academic report titled “anti-corrosion and anti-seepage enhancement protection material under heavy corrosion environment” from the provincial department of water resources and water conservancy design institute. a representative of a valve manufacturer in jining and related personnel of the company's equipment department heard the report...

based on the sino-dutch inter-government transportation cooperation project, the sino-dutch asphalt pavement technical exchange conference was held on september 4, 2017 at the institute of highway research, beijing ministry of transport.

on july 19, 2017, in the conference room of the shandong provincial academy of transportation sciences, the china highway society chaired the “study on key technologies for the construction of low-noise and anti-slip superficial surfaces” and “study on the key technologies for sand-containing seals”. , "emulsified compound modified asphalt at room temperature single-component pouring glue key technology research" and other three projects...

the joint scientific and technological assistance project for developing countries led by the institute of automation of the shandong academy of sciences “china-ukrainian modified asphalt production automation technology laboratory” was approved by the ministry of science and technology at the end of 2015.

in 2012, shandong ludong road & bridge engineering co., ltd. purchased a set of 15t/h emulsified modified asphalt equipment from our company. in the early stage of equipment installation, our company visited the company several times to conduct a field trip

on april 13, 2017, our company was subject to the supervision and review of zhongzhi (beijing) intellectual property co., ltd. the members of this supervision and audit consisted of experts from the jinan intellectual property office and zhongzhi (beijing) intellectual property co., ltd.