Derun was founded in January 2016. Relying on the research and development of wear-resistant materials composed of domestic scientific research institutes, a foreign scientific research institution and three universities, the company also has six application engineers who have been engaged in the application of wear-resistant parts in the mine market for more than 20 years. The company has formed a strong scientific research team by combining material research and market application. The ceramic composite products developed by the company can be combined with different metals and ceramics according to the working conditions and equipment of different customers, so as to achieve targeted improvement in service life and production efficiency. The company's products are mainly aimed at the development and application of wear-resistant parts of crushing machinery such as vertical mill, Raymond mill, semi-automatic mill, ball mill, impact crusher, hammer crusher, cone crusher, jaw crusher and vertical shaft crusher. Through our scientific research team, we comprehensively analyze the operating conditions of each customer to achieve customized services with precise positioning. The company's product development always adheres to the principle of "improving the service life under safe conditions".

The company was founded in 2004 with a registered capital of 20 million yuan. The company is located in the south gate of Hunan Province, at No. 5, the Nanling Mountain Avenue, Chenzhou, a tourist city in China. It is a private high-tech enterprise that produces and sells complete sets of mineral processing equipment. Our company has an administrative management department, office, planning department, engineering department, quality inspection department, market service department, finance department, after-sales service department, etc. Each department has clear responsibilities and is responsible to ensure worry free after-sales service to customers throughout the entire process. Our company has strong technical strength, excellent processing equipment, complete inspection methods, reliable product quality, and complete internal management. We can produce a complete set of beneficiation equipment with a daily processing capacity of 15-2000 tons for beneficiation plants, providing users with a one-stop service of beneficiation plant site selection, process flow design, equipment selection, manufacturing, installation, debugging, and normal production. Our company values contracts and maintains reputation, and our products are popular throughout the country. In recent years, we have actively explored foreign markets and exported our products to Southeast Asian and African markets such as Vietnam and Thailand, receiving high praise from our customers. Our company has passed the ISO 9001-2000 quality management system certification and environmental system certification.

Jiande Conveying Machinery Equipment Co., Ltd., established in 1995 with a registered capital of 12.8 million RMB, occupies a total area of 43,000 square meters including approximately 20,000 square meters of workshop space. As a modern industrial enterprise, it features advanced R&D and testing centers, integrating scientific research, product development and manufacturing operations. "Progress Based on Technology, Serve the Public" is the company's operation philosophy. It takes the innovation in science and technology as the guide, the quality as the backing, and good faith as the principle, to provide customers first-class products. The company always focuses on the quality of its products, and has passed the ISO 9001 Quality Management System certification."Hangchi" brand conveying equipment has been awarded the title of "Famous Brand Product of Zhejiang Province". The company has been continuously recognized as "Contract-Abiding and Trustworthy Enterprise" and "Enterprise with Outstanding Economic Performance" for many years. The company has independent import and export rights, and its products are sold to Asia, Europe, Africa, South America and other regions. The company is consistently a qualified supplier for Hailuo Cement Group, and has provided chain fittings for NE elevator, NSE elevator, FU chain form conveyor, material piling and taking machine, plate feeding machine, etc. It is a qualified supplier of chain and charging spout fittings for South West Cement, Southern Cement, Fujian Jinniu Group, Northern Heavy Industry, and Huaxin Cement. Meanwhile, the company is the key supplier of high temperature conveyor for the residual heat generation project of power saving and environmental protection for Hailuo Chuanqi Equipment Manufactory Co., Ltd. and Nanjing Kaishengyuan.

Huanai Rubber is a professional manufacturer of rubber screen plates, with professional rubber technical engineers in charge of technology. Since its establishment, we have been committed to the design and manufacturing of rubber screen screens with a serious and professional attitude. The company has independent mold design and manufacturing capabilities, complete experimental and testing equipment, and the ability to develop rubber raw material formulas. All kinds of rubber materials comply with the new EU environmental regulations and can design satisfactory products according to customer requirements. The company strictly adheres to the ISO9001:2000 international quality management system certification, and all products adopt advanced injection production technology, making the bonding strength between iron parts and rubber reach 40KG/CM, which is at the leading level in China. We adhere to the philosophy of quality first and customer first. Quality starts from the source, using high-quality raw materials to ensure product stability and reliability. All products must undergo strict testing to ensure that they meet customer needs.

The company was established in 2003 and is a professional mining equipment manufacturing enterprise that integrates scientific research and development, engineering design, production installation, and debugging services. The product is best-selling domestically and exported to more than ten countries and regions such as Singapore, Russia, South Africa, India, Pakistan, Indonesia, etc. The company has shifted from traditional functional division of labor to product division of labor, and transitioned to user demand division of labor. Continuously adapting to user needs, improving product performance and quality, and meeting new requirements for electromagnetic equipment from users; Continuously expanding product application diversification, constantly exploring new areas of product application, and providing customers with solutions beyond imagination. The company always adheres to the corporate spirit of "diligence, pragmatism, efficiency, and innovation". Strictly implement the GB/T19001-ISO9001:2000 international quality system standard and ISO10012 international metrology standard, and comprehensively control the entire production and development process of more than 200 varieties in 30 major series. Through extensive customer applications both domestically and internationally, it has been proven that the equipment has excellent performance, reliable product quality, and thoughtful technical services, which are highly trusted and praised by users.