Recently, Changan Automobile released its 2005 annual report. Last year, it produced a total of 48...

Abstract : Cavitation, erosion and joint damage of pump have always been an important issue in the o...

Model NO.: TSH-85 ...

Bubble flotation of gold and other precious metals silver and copper star recently introduced techn...

According to foreign media reports, due to the increase in demand for Kevlar fiber, DuPont is expan...

In 2006, the domestic parts and components industry was bathed in sunlight and could not escape th...

The 1~2 months of the calendar year are the off-season sales season in the domestic concentrated ni...

Affected by various factors, since the second half of last year, rubber prices in international an...

On February 27, at the press conference jointly held by the State Environmental Protection Administ...

The four-day “China Chemical News” national journalists’ work and news training ...

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Fixed air volume valve, is a mechanical self-force device, suitable for fixed air volume ventilation...