No pit. Weihai Rushan Hengbang Chemical Co., Ltd. was established in June 2005 with a registered capital of 90 million yuan. It is a wholly-owned subsidiary of Shandong Hengbang Smelting Co., Ltd., a listed company. In August 2065, in April 38, Jiangxi Copper joined hands with Hengbang, and the company was changed into a state-owned holding enterprise. This company has a strong corporate background and strong financial strength, so it is not deceptive. The company covers an area of 630,000 square meters and employs more than 600 people. It has three major sectors: gold smelting, environmental protection and ecological fertilizer and comprehensive utilization of resources, with an annual output of gold 1 000 kg and sulfuric acid of 80,000 tons.