R & D Workshop
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Innovation Research
Zhongxing Equipment is a national key high-tech enterprise with nearly 150 professional and technical personnel, who account for 22% of the company's total staff. We are the responsible unit for the energy equipment of seamless stainless-steel pipes working team of Standardization Administration, and the National Engineering Research Center for Advanced Iron and Steel Materials Technology. In addition, we have established the National Postdoctoral Research Workstation and the Provincial Academician Workstation, and have cooperated with Nanjing University of Aeronautics and Astronautics, University of Science and Technology Beijing, Shanghai University, Tianjin University, as well as domestic and foreign industry experts and technical researchers to tackle key technical problems. Our R&D investment accounts for 3% of the company's annual sales revenue. Zhongxing Equipment has a complete core technology for manufacturing special pipe fittings for energy engineering. It has obtained more than 20 invention patents, formulated or participated in the formulation of 16 industrial national standards, and filled 21 domestic gaps.
National and industry standards that we have formulated and participated in formulating:
National Standards (Title)
1. Ultrasonic Testing Methods for Thick-Walled Seamless Steel Pipes (GB/T 31925-2015)
2. Seamless Stainless Steel Pipes for Ships (GB/T 31928-2015)
3. Seamless Stainless Steel Pipes for Industrial Furnaces in Petrochemical Hydrogenation Units (GB/T 33167-2016)
4. Seamless Steel Pipes for Nuclear Power Plants—Part 3: Seamless Stainless Steel Pipes (GB 24512.3-2014)
5. Ultra-thin-walled stainless steel seamless pipes (GB/T 3089-2020)
6. Small-diameter stainless steel seamless pipes (GB/T 3090-2020)
7. Austenitic stainless steel seamless pipes for high-pressure hydrogenation units (GB/T 40297-2021)
8. Seamless pipes for high-pressure boilers (GB/T 5310-2023)
9. Seamless Stainless Steel Pipes for Boilers and Heat Exchangers (GB/T 13296-2023)
10. Seamless Austenitic-Ferritic Duplex Stainless Steel Pipes—Part 3: Pipes for Oil and Gas Transportation (GB/T 21833.3-2024)
11. Seamless Stainless Steel Pipes for Conveying Fluids (GB/T 14976-2025)
12. Seamless Steel Tubes for Ships (GB/T 5312—2025)
13. Steel Tubes for Hydrogen Storage and Transmission Pipelines (GB/T 46599-2025)
14. Seamless Stainless Steel Tubes for Structural Purposes (GB/T 14975-2025)
15. Welded Stainless Steel Tubes for Mechanical Structures (GB/T 12770-2025)
16. Seamless Steel Pipes for Petrochemical and Chemical Plants (GB/T 9948-2025)
Industry Standards (Name)
1. Large-Diameter Seamless Alloy Structural Steel Pipes for Fluid Conveyance (YB/T 4331-2013)
2. Large-Diameter Seamless Carbon Structural Steel Pipes for Fluid Conveyance (YB/T 4332-2013)
3. Static-cast Hollow Tube Blanks (YB/T 4322-2013)
4. Resin-Ceramic Composite Steel Pipes (YB/T 4610-2017)
5. Stainless Steel Welded Pipes for Water Supply (YB/T 4204-2020)
6. Sanitary-grade stainless steel clean pipes (YB/T 6081-2022)
7. Large-diameter austenitic stainless steel seamless pipes (YB/T 4330-2023)
8. Stainless steel corrugated pipes and fittings for fluid conveyance (YB/T 6112-2023)
RESEARCH
PROJECTS
PROJECTS
01
Type: National key new product planning project
Name: Special forgings for AP1000 reactor control rod drive mechanism
02
Type: Jiangsu Province Science and Technology Planning Project
Name: Key manufacturing technology of high safety integral storage tank for high level radioactive waste storage
03
Type: Jiangsu Province Scientific and Technological Achievements Transformation Project
Name: Research, development and industrialization of key manufacturing technologies for control rod drive mechanism components for third-generation nuclear power reactors
04
Type: Specialized small giant enterprise intelligent upgrade project of 2019 provincial special fund for industrial and information industry transformation and upgrading
Name: R & D of new technology of high-performance metal material series products such as stainless-steel forging rod and TP304H seamless tube
05
Type: Specialized small giant enterprise cultivation project of 2019 provincial special fund for industrial and information industry transformation and upgrading
Name: R & D and industrialization of special forgings for AP1000 reactor control rod drive mechanism
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