Jan 7 (Reuters) - Guangdong Wens Foodstuff Group Co Ltd :
* SAYS DEC HOG SALES UP 2.7 PERCENT Y/Y AT 3.4 BILLION YUAN ($524.08 million)
* SAYS 2017 HOG SALES DOWN 6.7 PERCENT Y/Y AT 33.8 BILLION YUAN Source text in Chinese: bit.ly/2ACleKv Further company coverage: ($1 = 6.4875 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)