Shandong Ruiqi Chemical Co., Ltd. is located in Yanggu, a millennium ancient city in Shandong Province. The company has been engaged in development and research of zinc for many years. In the business philosophy of 鈥淐ustomer Supreme, Keen Enterprising鈥� and the principle of 鈥淐ustomer First鈥�, the company provides good service for the customers. It specializes in production of zinc oxide, zinc sulfate, basic zinc carbonate and phthalimide, realizing an annual productivity of 5,000 tons of zinc oxide by indirect methods, an annual productivity of 5,000 tons of special rubber zinc oxide and an annual productivity of 8,000 tons of phthalimide. The company is the largest phthalimide production enterprise of China. It has established a strategic partnership with Shandong Yanggu Huatai Chemical Co., Ltd. which is known as the largest gtp production base in China.