High light color fastness aids high end interior

Guest Professor Professor Chen Weiguo, Ph.D. Supervisor, Zhejiang University of Science and Technology With the rapid growth of China's auto production capacity and retention, the demand for interior decorative textiles in the automotive industry is consta

Analysis of Development Status of Auto Accessories

Recalling that the foreign automobiles such as Warsaw, Volga, Skoda, Gil, and Giss in the 1950s and 1960s were the mainstays of China’s auto flow, the accessories industry also mainly operated some accessories. In the 1970s and 1980s, Japanese cars flocked and vehicles such as Toyo

Bridgestone's "Rotating City Tour" Successfully Closes

On August 14, 2011, Bridgestone took its green flagship ECOPIA brand with its eco-friendly flagship brand. After Beijing, Shanghai, and Guangzhou, it once again set off a green wave of "Rotating City Tour" in Chengdu. Falling curtains.

How to maintain high yield of screw pumping oil

The most common mechanical oil recovery method in the world is screw pumping, and its most common operational problem is that the pump cannot be completely filled, resulting in low productivity. The pump is not fully filled because the pump capacity is greater than the well pr

Introduction to the construction and progress of wave gears


1 Involute tooth profile harmonic gear research The tooth profile proposed by CWMusser, the inventor of the world's first harmonic gear reducer, is a linear tooth profile with a large pressure angle.
The use of such a tooth profile is based on two reasons, which not only meets the

Coal gas methanation technology breakthrough

On October 9th, the 5000 m3/day natural gas methanation industry pilot plant independently designed and completed by the Dalian Institute of Clean Energy of the Chinese Academy of Sciences (CAS) was continuously and stably operated for more than 1000 hours under the condition of the gas so