Zhenghe Group (formerly Shandong Guangrao Petrochemical Group), established in 1975, is a standardized enterprise group approved by the State Administration for Industry and Commerce and registered by Shandong Administration for Industry and Commerce. It is one of the top 500 chemical enterprises in China, the top 100 industrial enterprises in Shandong and 200 key enterprise groups in Shandong. Zheng He's corporate brand was rated as "the first national excellent brand in chemical industry".