Weifang Dashan Heavy Industry Machinery Co., Ltd.

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Weifang Dashan Petrochemical Co., Ltd.

🇨🇳 China

2005

51-100 people

Manufacturer/Trading Company

Established brand

OEM manufacturer

ODM manufacturer

Own brand

Key market

Europe

Review

4.6

Description

Weifang Dashan Petrochemical Co., Ltd. is a professional manufacturer and trading company based in Weifang, China, specializing in the design, production, and maintenance of industrial compressors and agricultural machinery. Established in 2005, the company operates as a science and technology enterprise with a workforce of 51 to 100 employees, including a dedicated team of R&D professionals. The company maintains a robust manufacturing infrastructure featuring three production lines equipped with CNC machine tools, large vertical lathes, and specialized boring machines. Their diverse product portfolio is divided into two primary sectors: industrial gas equipment and agricultural machinery. In the industrial sector, they specialize in reciprocating piston oil-free air compressors, nitrogen generators, and a comprehensive range of precision components such as gas valves, piston rings, connecting rods, crankshafts, and crossheads. These products serve critical applications in the petrochemical, coal chemical, and LNG industries. Their agricultural division offers innovative solutions including electric mini farm tractors and a wide variety of manual hand-push seeders and planters for corn, wheat, rice, and peanuts. As a quality-focused organization, Weifang Dashan Petrochemical Co., Ltd. holds ISO 9001:2015, ISO 14001, and ISO 45001:2018 certifications, ensuring high standards for quality management, environmental responsibility, and occupational health. The company provides extensive OEM and ODM services, offering full customization based on client drawings. By collaborating with domestic research institutions and leveraging advanced technology, they deliver high-performance equipment and reliable after-sales maintenance services to international markets.

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Shandong Dashan Road & Bridge Engineering Co., Ltd.

🇨🇳 China

1996

51-100 people

Manufacturer/Trading Company/Service Company

Established brand

OEM manufacturer

Product customization

Patented technology

Key customer

SINOPEC

Key market

Africa

Description

Shandong Dashan Road & Bridge Engineering Co., Ltd., established in 1996 and originating from Shandong University, is a technology-driven manufacturer and service provider specializing in highway construction and maintenance solutions. Based in Jinan, China, the company operates across the entire industrial chain, encompassing R&D, mechanical equipment manufacturing, material supply, and engineering services. As a pioneer in thermoplastic elastomer (SBS) applications, it has been recognized as a leading domestic supplier of SBS modifiers and acts as a special AAA-level agent for Sinopec. The company's extensive product portfolio includes modified asphalt equipment, emulsified asphalt machines, rubber asphalt units, and specialized components like colloid mills and rapid heating tanks. Their manufacturing capabilities support daily production capacities ranging from 200 to 1,000 tons. Additionally, they provide a wide array of road materials, including anti-rutting agents, warm mix additives, joint sealants, and cold patches. Their service division offers advanced pavement maintenance technologies such as micro-surfacing, ultra-thin wearing courses, and in-situ regeneration. With a strong focus on innovation, the company maintains a dedicated Road Technology Research Institute and holds 88 patents. They employ between 51 and 100 people, including a high-level research team, and collaborate extensively with universities and scientific institutions. Shandong Dashan Road & Bridge Engineering Co., Ltd. is certified under ISO 9001, ISO 14001, and IATF 16949 standards, ensuring high-quality and green solutions for highway infrastructure projects across more than 20 provinces and international markets in Asia.