The Hooman Pooyan Trading Company for Industries and Minerals operates in Iran under the joint guidance of Chemstar China, Hooman Pooyan Holding, and Amir Dabbaghi Trading, serving as the exclusive representative of LHS in the Middle East.

Hoomun Pooyun Holding

Hooman Pooyan Holding is a leading group of specialized companies active in key and strategic sectors of the national economy. Leveraging years of experience, technical knowledge, skilled human resources, and bold investment, the holding has established an integrated chain of services and products in mining and mineral industries, industrial advertising and printing, domestic and international transportation, and the export of plastic products.

Chemstar Representation

Chemstar has been active in Iran since 1986, supplying equipment and chemicals for major mining projects. Hooman Pooyan Holding, as Chemstar''''s representative, has also acquired the exclusive representation of the renowned LHS company, known as LHS Middle East.

LHS Representation

Lianhuasha Rock Tools (LHS), founded in 1969, initially operated under the Ministry of Metallurgical Industries and the Non-Ferrous Metals Company of China. In 2003, it transitioned from a state-owned enterprise to a private limited company.

LHS

The company’s headquarters are located in Huludao, Liaoning Province, China, covering an area of 140,000 square meters. LHS has developed digital production lines for threaded, conical, and DTH products. In 1987, it became the first company in China’s tool industry to export products internationally, and in 1996 it received ISO quality management certification. By 2023, LHS maintained its status as the largest stone drilling tool exporter in the industry for 35 consecutive years.

With over 50 years of experience, LHS has focused exclusively on stone drilling tools, gaining expertise in production and application. The company has achieved excellence in technical quality, production capacity, support capabilities, and innovative development. Recognized as a leader in steel drilling and drilling tools in China, LHS holds a strong domestic reputation and is internationally known as China’s national brand in drilling tools. It has also become a major hub for production and export of stone drilling tools in China.

Derui Representation

Shandong Derui Mining Machinery Co., Ltd. is a Chinese manufacturer specializing in underground mining and tunneling equipment. The company offers a complete range of machinery and equipment designed to meet high production needs while reducing extraction costs per ton. DERUI machines are engineered for confined spaces and low-clearance environments, providing optimal driver visibility both forward and backward. Environmental compatibility is critical, so the machines are equipped with air- or water-cooled diesel engines with catalysts.

DERUI also produces electric machinery, which is ideal for mining projects prioritizing fresh air, as it generates no exhaust gases. Over its eight years of operation, DERUI has emerged as a leader in mining equipment and services. The company focuses on product innovation, professional services, cost reduction, safety, and efficiency, addressing complex industry challenges. Investment in human resources, product development, service improvement, and process enhancement remain core priorities for providing sustainable mining solutions.

The company’s facilities span 35,000 square meters, with 20,000 square meters dedicated to manufacturing. Facilities include advanced industrial processing and heat treatment equipment, such as a machining center, CNC machines, and plasma cutting devices. DERUI’s R&D team consists of experienced professionals and engineers specializing in underground mining equipment design and production, ensuring high-quality outputs that meet industry demands.