On March 25, 2014, the radial tire of the first project of the Zazo project of a tire company in Guizhou was officially vulcanized out;
On April 9, a privately-owned tire listed company issued a non-public stock issuance plan, plans to raise …
The General Administration of Quality Supervision, Inspection and Quarantine issued the "Measures for the Management of China Quality Awards" passed and adopted, and was promulgated in the form of a document 167 of the General Administration of the People's Republic of China.…
In Shunchang, there is a private high-tech instrument company w…
Construction: The structure of lead batteries is mainly composed of positive (negative) plates, separators, electrolytes, tank shells, connecting bars and poles.
Ro…
On September 15th, the heavy-duty heavy-duty truck market added new strength models, and Shaanxi Auto's high-end heavy truck Calderon F…
The spiral unfolding indicates that the helical gear has a spiral lead along the axis and must rotate about the axis 2, that is, ptan=d(1) where d gear indexing circle diameter 2 helical gear machining Simulated milling cutter modeling uses a disc-shaped milling cutter to machine spur gear…