A staff member cleans a porcelain product in Dehua County of Quanzhou, East China's Fujian province on May 14. Dehua, as China's famous ceramics base, has some 2,600 ceramic companies and over 100,000 related employees. The county has promoted electric kiln to protect environment and pushed forward whole industrial chain of ceramics. In 2017, the output value of ceramic industry in Dehua reached $3.58 billion. [Photo/Xinhua]

A craftsman arranges molds in Dehua County of Quanzhou, East China's Fujian Province on May 15. [Photo/Xinhua]

A craftsman processes unburnt earthenware in Dehua County of Quanzhou, East China's Fujian province on May 15. [Photo/Xinhua]

A worker carries unburnt earthenware at a company in Dehua County of Quanzhou, East China's Fujian province on May 15. [Photo/Xinhua]

Workers arrange porcelain products at a company in Dehua County of Quanzhou, East China's Fujian Province on May 15. [Photo/Xinhua]

A craftsman carves a piece of earthenware in Dehua County of Quanzhou, East China's Fujian province on May 15. [Photo/Xinhua]

A staff member transfers clay materials at a company in Dehua County of Quanzhou, East China's Fujian province on May 15. [Photo/Xinhua]

A visitor takes photo of ceramic product at a company in Dehua County of Quanzhou, East China's Fujian province on May 15. [Photo/Xinhua]

Workers color unburnt earthenware in Dehua County of Quanzhou, East China's Fujian province on May 15. [Photo/Xinhua]