Officials in Sanhe city, Langfang, North China's Hebei province have been held accountable over the controversial color restrictions on shop signboards, according to an announcement by authorities on ...

The Chinese beverage company Mixue Bingcheng store sign in Sanhe city, North China’s Hebei Province, which had previously been changed to green, has now been restored to its ori ...

Chromatography can also be used by law enforcement in crime scene investigations, by art experts to determine original paint pigments ... You can repeat this experiment with isopropyl alcohol (rubbing ...