About Us

About Us

Company Profile

Deyu Seiko Technology (Rizhao) Co., Ltd

Deyu Precision is located in the heart of the Steel Supporting Industrial Park in Donggang District, Rizhao, Shandong Province, just across the road from Shandong Iron and Steel Group’s Rizhao Company. It has 45,000 square meters of indoor production workshops. The company focuses on advanced steel plate processing, providing precision production and processing services for construction machinery, transport vehicles, rail transit, offshore engineering and shipbuilding, and many other machinery industries.

Deyu’s processing capabilities cover the entire steel processing chain, including steel plate pretreatment, flame, plasma and laser cutting, leveling, bending, edge milling, plate rolling and welding. Its equipment includes: 1. A steel plate pretreatment system integrating shot blasting, sandblasting, painting and drying, with comprehensive inkjet marking on plate surfaces and edges. It handles widths up to 5 meters, blasting and painting speeds of 6 meters per minute, plate thicknesses of 6–100 mm, and paint film thicknesses of 10–30 micrometers; 2. Five Han’s Laser cutting machines rated from 12 to 40 kW, supporting bevel cutting and a maximum cutting thickness of 80 mm, with an extra-large 26 × 5-meter cutting table, as well as plasma and flame cutting machines; 3. A leveling machine with a maximum manganese steel plate leveling thickness of 120 mm, the largest single-unit leveling machine in China; 4. A 2,400-ton, 14-meter tandem press brake and 200–630-ton press brakes; 5. Edge milling machines with milling lengths of 6–16 meters, plate thicknesses of 6–100 mm, and milling angles of 0–60 degrees, suitable for low-carbon steel, stainless steel and high-strength materials; 6. A plate rolling machine capable of processing plates up to 100 mm thick and 4 meters in diameter, meeting large-scale plate processing needs; 7. More than 30 machines, including H/T-section assembly, welding and straightening machines, automatic seam-closing and welding machines, and hydraulic presses, to meet customers’ individual requirements.

The company has established close partnerships with leading Chinese enterprises including Shandong Iron and Steel Group, CRRC, Shandong Port Equipment Group and Sinotruk. It was recognized as a High-tech Enterprise in 2024 and as a Shandong Specialized, Sophisticated, Distinctive and Innovative SME in 2025. It has also obtained ISO 9001 quality management, ISO 14001 environmental management, and ISO 45001 occupational health and safety management certifications. By focusing on high-quality raw materials and excellent service, the company is building a new intelligent factory, actively pursuing green development and creating higher-quality steel products.

Deyu Seiko Technology (Rizhao) Co., Ltd
Founded
2021
Registered capital (10k CNY)
10000
Site area (mu)
120
Workshop area
45000㎡

Certifications

  • ISO 9001 Quality Management System
  • ISO 14001 Environmental Management System
  • ISO 45001 Occupational Health and Safety Management System

Partners

  • Shandong Iron and Steel Group
  • CRRC
  • Shandong Port Equipment Group
  • Sinotruk