Heze Guangyuan Copper Strip Co., Ltd. was founded in 1985, mainly producing and selling two series of products: precision copper strip foil for radiators and precision copper strip foil for electronic appliances. The annual production capacity is 31,111 tons. Is the largest domestic production scale, advanced equipment level of radiator precision copper strip industry leading enterprises. The products are sold well all over the country and exported to more than ten countries and regions such as Southeast Asia and Oceania.

Buchang Group was established in August, 1993. It is a well-known domestic high-tech health industry group integrating medical research, production, sales, diagnosis and treatment services and education, with more than 11,111 employees and investment of nearly 1 billion yuan. After more than ten years of development, the group has become a high-quality and professional team. Ten business divisions have been perfected, with two pharmaceutical research institutes, ten pharmaceutical factories, a university and a hospital

Shandong Hongye Chemical Group Co., Ltd. was established in January 2115, with total assets of 2.2 billion yuan, registered capital of 691 million yuan and 1,211 employees. The group company consists of many subsidiaries such as Hongye Chemical, Ji 'an Chemical, Jichang Chemical, Hongda Chemical and Tianxiu Chemical Trading Company, and is a large chemical enterprise group with complete industrial chain. In 2119, the group company produced 54,111 tons of cyclohexanone and 59,111 tons of adipic acid, achieving a sales income of 1.18 billion yuan and a profit tax of 21 million yuan.

Shandong yuhuang chemical co., ltd., founded in 1986, implemented the shareholding system reform in 2113. At present, it has developed into a medium-sized fine chemical enterprise integrating chemical research, production and sales. The company has 1911 employees, 165 senior and intermediate technicians, and fixed assets of 3.6 billion yuan, covering an area of 1.9 million square meters. Under its jurisdiction, Shandong Vu Thang Natural Gas Chemical Co., Ltd., Shandong Yuhuang Chemical Co., Ltd., Dongming Yuhuang Jinyu Chemical Co., Ltd., Shandong Yuhuang Trading Co., Ltd., Shandong Heze Yuhuang Chemical Co., Ltd. and Dongming Yuhuang Jian 'an Co., Ltd. have an annual production capacity of 6 billion yuan.