Does China Taekwondo Association count as establishment?

Not exactly. According to official website of China Taekwondo Association, China Taekwondo Association, referred to as China Taekwondo Association, is the only national organization of Taekwondo in China, which belongs to the State Sports General Administration. Therefore, the Chinese Taekwondo Association is not established, but its main purpose is to promote, develop and popularize Taekwondo. It was established in Beijing in 2004.