Changshu Longteng Special Steel Co Ltd (常熟市龙腾特种钢厂, 常熟市龙腾特种钢有限公司), also known as Changshu Longteng Special Steel Factory, is a steel plant in Meili, Changshu, Suzhou, Jiangsu, China that operates electric arc furnace (EAF), basic oxygen furnace (BOF), and blast furnace (BF) technology.
Location The map below shows the exact location of the plant in Meili, Changshu, Suzhou, Jiangsu, China:
Location: No. 118 Hualian Road, Tonggang Industrial ParkCoordinates (WGS 84 ): 31.723833, 120.835685 (exact)Background According to the production capacity replacement announcement in October 2021, the company planned to build a 115-ton electric arc furnace and phase out two 45-ton electric arc furnaces.[ 1] [ 2]
Ownership Tree This ownership tree is part of the Global Energy Ownership Tracker , a project of Global Energy Monitor.
Plant Details Table 1: General Plant Details
Start date
Workforce size
Power source
1994-05-23[ 3]
3469[ 3]
±800 kV Baihetan-Jiangsu Ultra-High Voltage Direct Current Transmission Project[ 4]
Table 2: Ownership and Parent Company Information
Parent company
Parent company PermID
Parent GEM entity ID
Owner
Owner company PermID
Owner GEM entity ID
Changshu Longteng Special Steel Co Ltd [100.0%]
unknown [100.0%]
E100000126408 [100.0%]
Changshu Longteng Special Steel Co Ltd [100%][ 5]
unknown
E100000126408 [100%]
Table 3: Process and ProductsTable 4: Plant-level Crude Steel Production Capacities (thousand tonnes per annum)
1 Please see our Frequently Asked Questions page for an explanation of the different capacity operating statuses.
Capacity operating status1
Basic oxygen furnace steelmaking capacity
Electric arc furnace steelmaking capacity
Nominal crude steel capacity (total)
operating
2340[ 8]
863[ 9]
3203[ 9] [ 8]
retired
–
872[ 9]
872[ 9]
Table 5: Plant-level Crude Iron Production Capacities (thousand tonnes per annum)
1 Please see our Frequently Asked Questions page for an explanation of the different capacity operating statuses.
Capacity operating status1
Blast furnace capacity
Nominal iron capacity (total)
operating
1040[ 10]
1040[ 10]
Table 6: Upstream Products Production Capacities (thousand tonnes per annum)
Ferronickel
Sinter
Coke
Pellets
NF
NF
NF
NF
Table 7: Actual Plant-level Crude Steel Production by Year (thousand tonnes per annum)
Year
BOF production
EAF production
Other/unknown steel production
2019
unknown[ 11]
unknown[ 11]
unknown[ 11]
2020
unknown[ 12]
unknown[ 12]
–[ 12]
2021
unknown[ 13]
unknown[ 13]
unknown[ 13]
2022
unknown[ 14]
unknown[ 14]
unknown[ 14]
2023
unknown
unknown
unknown
2024
unknown
–
unknown
Table 8: Actual Plant-level Crude Iron Production by Year (thousand tonnes per annum)
Year
BF production
Other/unknown iron production
2019
unknown[ 11]
–[ 11]
2020
unknown[ 12]
–[ 12]
2021
unknown[ 13]
unknown[ 13]
2022
unknown
unknown
2023
unknown
unknown
2024
unknown
unknown
Unit Details Table 9: Blast Furnace Details
Unit name
Status
Current size
Current capacity (ttpa)
Decarbonization technology
Most recent relining
unknown BF (1)
operating[ 5]
1080.0[ 15]
1040[ 10]
unknown
2023-01[ 16]
unknown BF(2)
operating[ 17]
–
0
–
–
Table 10: Electric Arc Furnace Details
Unit name
Status
Start date
Retired date
Current capacity (ttpa)
Current size (tonnes)
unknown EAF (1)
retired[ 18]
–
2022[ 18]
436[ 9]
45.0[ 15]
unknown EAF (2)
operating[ 19]
2023[ 19]
–
863[ 9]
115.0[ 9]
unknown EAF (3)
retired[ 18]
–
2022[ 18]
436[ 9]
45.0[ 15]
Table 11: Electric Arc Furnace Feedstock Details
Unit name
Scrap-based
% scrap
% DRI
% HBI
% sponge iron (unknown if DRI or HBI)
% basic/merchant pig iron
% granulated pig iron
% pig iron (unknown if basic/merchant or granulated)
% other iron
unknown EAF (1)
yes[ 20]
>0[ 20]
unknown
unknown
unknown
>0[ 21]
unknown
unknown
unknown
unknown EAF (2)
yes[ 20]
>0[ 20]
unknown
unknown
unknown
>0[ 21]
unknown
unknown
unknown
unknown EAF (3)
yes[ 20]
>0[ 20]
unknown
unknown
unknown
>0[ 21]
unknown
unknown
unknown
Table 12: Basic Oxygen Furnace Details
Unit name
Status
Start date
Current capacity (ttpa)
Current size
unknown BOF (1)
operating[ 5]
2011[ 22]
1170[ 8]
120.0 tonnes[ 15]
unknown BOF (2)
operating[ 8]
–
1170[ 8]
120.0 tonnes[ 8]
Articles and Resources Additional data To access additional data, including an interactive map of steel plants, a downloadable dataset, and summary data, please visit the Global Iron and Steel Tracker on the Global Energy Monitor website.
References Resources 
