[2] During the Tang dynasty, the area was reorganized as Shicheng County (Chinese: 石城县; pinyin: Shíchéng Xiàn).

[2] The area was reorganized as Yifeng County (Chinese: 义丰县; pinyin: Yìfēng Xiàn) during the Yuan dynasty.

[2] In 1949, upon the establishment of the People's Republic of China, the area was reorganized as Tangshan Fifth District (Chinese: 唐山市第五区; pinyin: Tángshān Shì Dì Wǔ Qū).

[2] Kaiping District's main industries include coal, building materials, chemicals, and ceramics.

[1] Major mineral deposits in Kaiping District include coal, bauxite, sand, and gravel.