The 33-year-old had scored 45 goals in 68 games and won two A-league championships since he joined the Sky Blues in August 2018.
Uruguay will face Chile in Montevideo on October 8 before meeting Ecuador in Quito five days later.
With a perfect record in the new season, Jiangsu expects a tough route ahead as title contender Xinjiang awaits them on Saturday.
"I need to shoulder more responsibilities," said Guo, who joined Hebei during the offseason.
"In terms of where we are competition-wise, the objective at the end of the day is to measure our standard to the South African standard and see if we can meet it. We are not oblivious though, we have included six of our foreign-based players. They will bring in more drive and experience to add to that of our local players," he concluded.
On the Hebei side, Guo bagged a team-high 19 points. Ma Wen and Zhang Yaqi scored 13 and 12 points respectively.
"They are a strong team. Our young players seemed to be a bit afraid of that in the first half, while making some adjustments after the break," Tianjin coach Liu Hao commented, also hoping that his side can progress and improve after the loss. Enditem
Outscoring its opponent 28-14 after the first quarter, Jiangsu was never really challenged by Shaanxi over the ensuing three quarters.
Jorginho scored two penalties in the 78th and 82nd minutes to assure a comfortable win in the best performance by Frank Lampard's side this season.
With the support of the Chinese Table Tennis Association (CTTA), international table tennis action is back after several months of activity suspension due to the COVID-19 pandemic.
Shanxi captain Wu Tongtong was pleased to witness her former teammate's progress as both graduated from Changsha Changjun High School in central China's Hunan province and teamed up for the school in national high school tournaments.