China's property sector is central to its economy. Getty Images China's Evergrande crisis is spreading to the rest of the property sector, with numerous companies defaulting. Fantasia, Sinic and China Properties Group are among the other developers to have failed to meet payments. Economists worry that contagion in the property sector could knock out a key engine of Chinese growth. Evergrande Evergrande is teetering on the brink of default. STR/Getty images China's property developers have grown at breakneck speed over the last decade, powered by huge amounts of debt.