The Argentine's contract in France was due to expire at the end of the season, and instead of winding it down before leaving on a Bosman deal, he has made a switch to the Chinese Super League valued around the €4 million mark, while the player is expected to earn a net salary of €10m per annum, plus a bonus up to €6m.
The new club, who won promotion to the elite level last season, announced the deal via their Weibo account.
"His arrival will make the team more offensively sharp. Look forward to his heroics, he's unstoppable!" the post promises.
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A deal had been on the cards since the beginning of the month, and for this reason, Lavezzi has missed recent PSG games, including the Champions League victory over Chelsea on Tuesday.
The 30-year-old joins the likes of Jackson Martinez, Ramires and Gervinho in moving to a league that has dramatically stepped up its investment over the last couple of months.
The Chinese transfer window remains open until February 26.