Simplify the following text for a Grade 9 native English-speaking person.
Original: In June 1980 , the China Conservation and Research Center for the Giant Panda was established at Wolong with the efforts of both World Wildlife Fund ( WWF ) and the Chinese government .
Simplified: In June 1980 , the China Research and Conservation Center for the Giant Panda was established . The World Wildlife Fund ( WWF ) and the Chinese government cooperated to establish the center .