Extruded Polystyrene (XPS) Insulation Board
Closed-cell XPS panels for building envelope and below-grade thermal insulation applications. HS 3921.12.
Insulation Boards, Steel Pipes, and Transformers from a Chinese Manufacturer
Henan-based manufacturer supplying XPS, rock wool, and EPS insulation panels alongside custom-dimension industrial steel pipes to construction and infrastructure buyers.
Manufacturer with in-house R&D
Supplier type
3921.12, 6811.82, 8504.21, 7305.11, 7305.12
HS codes covered
Available across pipe product lines
Custom sizing
Products
Rock Wool Board
Mineral wool insulation panel for fire-rated and acoustic construction assemblies. HS 6811.82.
Expanded Polystyrene (EPS) Board
Polystyrene foam insulation panel for wall, roof, and floor thermal insulation in residential and commercial buildings.
Transformer
Electrical transformer for power distribution applications. HS 8504.21.
Industrial Steel Pipes
Custom-dimension steel pipes for oil, natural gas, sewage, and industrial fluid conveyance; includes spiral-welded and thermally insulated pipe variants. HS 7305.11, 7305.12.
- Oil Pipeline
- Natural Gas Pipeline
- Spiral Pipe
- Sewage Pipe
- Insulation Pipe
Why Source from Us
In-house R&D and manufacturing
The company combines its own research and development team with production under one facility in Henan, allowing specification adjustments without third-party intermediaries.
Custom pipe dimensions available
Oil, natural gas, spiral, sewage, and insulation pipes are offered in custom sizes, reducing the need for buyers to adapt procurement to standard catalogue dimensions.
Broad product scope, single supplier
Insulation boards across three material types (XPS, rock wool, EPS) plus structural steel pipes and transformers can be sourced from a single manufacturer, simplifying vendor management for construction and infrastructure projects.
Multiple HS codes under one entity
Five HS codes spanning polymer foam, mineral insulation, electrical equipment, and large-diameter steel pipe are handled within the same company, which streamlines customs documentation for multi-product orders.
Sourcing FAQ
Is Henan Zhenhaorun a manufacturer or a trading company?
The company is a manufacturer with its own production facilities and an in-house R&D team, based in Henan Province, China.
Which insulation board types do you produce?
The company produces three types: extruded polystyrene (XPS) boards, rock wool (mineral wool) boards, and expanded polystyrene (EPS) boards, all used in building insulation applications.
Are custom pipe sizes available?
Yes. Custom sizes are available for oil pipelines, natural gas pipelines, spiral pipes, sewage pipes, and insulation pipes. Specify your required outer diameter, wall thickness, and length in your inquiry.
Which HS codes apply to your products?
Extruded polystyrene boards fall under HS 3921.12; rock wool boards under HS 6811.82; transformers under HS 8504.21; and large-diameter steel pipes under HS 7305.11 and 7305.12. Confirm classification with your customs broker before importing.
How do I request pricing or samples?
Use the pricing request form on this page. Include the product type, target specification (dimensions, quantity), destination country, and any relevant project details. The team will respond with pricing or sample terms.