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Export product brochure · EPC & utilities · 2026

Yanshan Hengzhenyuan Pipeline Co., Ltd.

ASME & project-spec pipe fittings · steel-cased pre-insulated pipe systems

ASME · ASTM · API (project-spec) · GB/T on requestEPC · utilities · oil & gas · district energyExport from Yanshan, Hebei, China

Project-spec fittingsElbows, tees, flanges, reducers, forged & grooved · ASME B16.9 / B16.5

Buried pre-insulatedSteel-cased steam & district-energy lines · shop prefabrication

3,000 t forming + NDT labPresses, induction bending, heat treat · PMI, mechanical, UT/RT witness

Export-ready QAISO 9001/14001/45001 · EN 10204 3.1 MTC · sea-freight packing

3,000 tMax hydraulic press

NPS ½"–104"Fitting range (per drawing)

ISO 9001Quality management system

3.1 MTCMill certs on request

Company profile

Integrated manufacturer in Yanshan, Hebei, China — forming, machining, coating and pre-insulation for utility, EPC and OEM export programs.

What we supply overseas

Bulk fittings to ASME/ASTM material summaries with EN 10204 type 3.1 mill certificates
Pre-insulated spools and steel-cased buried systems for steam and hot-water networks
Witness inspection coordination before shipment and photo records for packing

Product & business lines

Pipe fittings

ElbowsTeesFlangesReducersCapsForgedMalleableGrooved

Pipes & insulation

Coated pipesSteel jacketsPre-insulated fittingsLined pipes

Project accessories

Expansion jointsSupportsPower-plant partsConduit

Steel-cased buried pipes

Pre-insulated pipesSteam networksMunicipal energyCrossings

We supply butt-welding and forged fittings, coated and lined pipe, and steel-cased pre-insulated systems to ASME, ASTM and project specifications; GB/T and HG standards on request.

Right-first-time quality with heat-number traceability, in-house PMI/NDT and third-party witness inspection (SGS, TÜV or client-nominated agencies).

Batch production, export packing (wooden cases / steel frames), FOB/CIF quotes (Incoterms 2020) and documentation including mill test certificates.

Key markets

Oil, gas & petrochemicalPower generation & district heating / steamMetallurgy & process gasWater, municipal energy & infrastructure

Manufacturing & QA

Hydraulic forming300 / 800 / 3,000 t presses · tee forming · typical lead time per BOQ

Bending & heat treatInduction bending, furnaces, shot blasting

MachiningBeveling, drilling and finishing to IFC drawings

Test laboratoryPMI, mechanical, metallography, UT/MT/PT · witness hold points

Drawing-based quotes & batch MOQ discussion
Third-party inspection & factory audit welcome
Export docs: MTC 3.1, test reports, packing list, HS code support

Manufacturing & quality assurance

Integrated presses, induction bending and central lab — batch production with export inspection hold points.

Manufacturing equipment

Testing & laboratory

Manufacturing

Step	Equipment
Forming	3,000 t press, tee former
Bending	Induction bender
HT	Heat-treatment furnace
Surface	Shot blaster
Machining	Vertical lathe, beveler

300–3,000 t presses and dedicated tee forming
Induction heating and bending with temperature control
Heat treatment furnace and shot blasting
Facing, beveling and cutting machines
Typical production lead time quoted per BOQ after drawing review

Quality & testing

Item	Method
Chemistry	Spectrometer, PMI
Mechanical	1000 kN / MTS frames
Metallography	Microscope
NDT	UT, MT, PT, RT support

Spectrometer and PMI for chemistry
1000 kN / MTS 600 kN for mechanical tests
Metallography and impact testing
UT, MT, PT and radiography support

Typical inspection scope for export

Item	Details
Stage	Scope
Incoming	PMI / spectrometer on heats
In-process	Dimensional check, NDT sampling
Final	MTC 3.1, packing inspection, photo record

Certifications

ISO 9001 (quality), ISO 14001 (environment) and ISO 45001 (OH&S) — copies for tender packages.
Business license and work-safety standardization certificate on file.
Additional domestic credit ratings available on request; not required for export clearance.

Pipe fittingsElbows

Butt-welding elbows per ASME B16.9 — carbon, stainless and alloy; 90°, 45°, 180° and custom; beveled ends per WPS.

Specifications

Item	Details
Product	LR/SR elbow, custom angle
Size	NPS ½"–104" (DN15–DN2600) per drawing
Schedule	SCH 10S–XXS / wall thickness per spec
Material	A234 WPB, WP304/316, A420 WPL6, 15CrMo equiv.
Standard	ASME B16.9 · GB/T 12459 · HG/T 21635
Ends	BE, PE, socket, threaded (small bore)
Documentation	EN 10204 3.1 MTC, PMI on request

Pipe fittingsTees

Equal and reducing tees per ASME B16.9 for branch connections; extruded, drawn or welded construction.

Specifications

Item	Details
Type	Equal / reducing / lateral
Size	NPS ½"–104" (DN15–DN2600)
Material	CS, SS, alloy per ASTM A234
Standard	ASME B16.9 · GB/T 12459 · SH/T 3408
Inspection	NDT + mechanical tests per ITP
Documentation	MTC 3.1 · PMI reports

Pipe fittingsFlanges

WN, SO, SW, blind and plate flanges per ASME B16.5 — RF, FF and RTJ facings matched to class rating.

Specifications

Item	Details
Types	WN, SO, SW, blind, plate
Class	Class 150–2500 / PN6–PN420
Size	NPS ½"–104"
Standard	ASME B16.5 · GB/T 9112 · HG/T 20592
Facing	RF, FF, RTJ per spec
Documentation	MTC 3.1 with heat traceability

Pipe fittingsReducers & heads

Concentric/eccentric reducers and formed heads for vessels and line size changes per project code.

Specifications

Item	Details
Reducer	Concentric / eccentric
Heads	Elliptical, dish, hemispherical
Size	NPS ½"–104" / per GB 150 or ASME VIII
Standard	ASME B16.9 · GB/T 12459 · GB/T 25198
Documentation	MTC 3.1 · NDT as specified

Pipe fittingsForged fittings

Forged socket/threaded and butt-weld fittings per ASME B16.11 for high-pressure / high-temperature service.

Specifications

Item	Details
Material	A182 F11/F22, P91, 304/316
Types	Socket, threaded, BW, olets
Size	NPS ¼"–4" (main range)
Standard	ASME B16.11 · GB/T 14383
Documentation	MTC 3.1 · PMI

Pipe fittingsBlock & brass forged

Block forged fittings in stainless, brass and alloy for instrument and small-bore HP lines.

Specifications

Item	Details
Material	304/316, brass, A182 F22
Types	Block elbows/tees, olets, unions
Size	NPS ¼"–4" (DN6–DN100 typical)
Standard	ASME B16.11 · GB/T 14383
Documentation	MTC 3.1

Threaded & groovedMalleable iron fittings

Malleable iron threaded fittings — gas-grade hot-dip galvanized; export NPT/BSPT threads.

Specifications

Item	Details
Types	Elbows, tees, crosses, couplings, unions
Standard	GB/T 3287 · ANSI NPT · BSPT
Finish	Hot-dip galv., black, electro-galv.
Size	NPS ⅛"–6" typical
Documentation	MTC · galvanizing record

Threaded & groovedGrooved fittings

Ductile iron grooved couplings and fittings (QT450-10) for fire, water and HVAC.

Specifications

Item	Details
Lines	Fire, potable spray-coat, plastic-lined grooved
Standard	GB 5135.11 · FM listed series · CJ/T 156
Material	Ductile iron QT450-10
Joint	Groove + rigid/flex couplings
Documentation	Test cert · MTC

Project accessoriesExpansion joints

Metal bellows, sleeve and PTFE-lined expansion joints for thermal movement and vibration.

Specifications

Item	Details
Types	Bellows, sleeve, ball, PTFE-lined
Ends	Flanged, welded, limited tie rods
Design	By travel, pressure, temperature
Documentation	Test report · MTC

Expansion joint — PTFE-lined expansion joint

Expansion joint — Double-flange limit joint

Project accessoriesPipe supports

Spring and rigid supports, guides, limits and insulated shoes sized per stress / load calculation.

Specifications

Item	Details
Types	Spring, rigid, guide, limit, shoes
Design	Per stress / load calculation
Coating	HDG, paint, cold zinc spray
Standard	HG/T 21629 · project spec
Documentation	Calculation summary · MTC for steel

Project accessoriesLined pipes

Plastic-lined steel pipe and fittings for corrosive fluids; hot-dip coated conduit options.

Specifications

Item	Details
Lining	PO, PE, ETFE
Coating	Internal/external plastic
Conduit	Hot-dip coated
Joint	Groove, flange, thread
Documentation	Lining test + MTC 3.1

Project accessoriesHot-dip conduit

Hot-dip plastic-coated conduits for cable protection and fire/electrical routing.

Specifications

Item	Details
Build	Hot-dip internal/external coating
Joint	Threaded, grooved
Finish	Green / black and custom
Size	NPS / metric per GB/T 3091
Documentation	Coating test · MTC

Hot-dip coated conduit — Green strapped bundle

Hot-dip coated conduit — Black strapped bundle

Hot-dip coated conduit — Large-bore black end face

Project accessoriesPower-plant specials

Strainers, davits, transitions, flame arrestors and PR manholes for power/BOP packages.

Specifications

Item	Details
Items	Strainers, davits, square-round
Safety	Flame arrestors, PR manholes
Material	CS, SS, 16Mn
Delivery	Per equipment drawing
Documentation	MTC · FAT record

Project accessoriesPower-plant accessories

Wall sleeves, manholes, dampers, flame arrestors and strainers for power and municipal BOP.

Specifications

Item	Details
Sleeves	Rigid, flexible, waterproof
Items	Manholes, dampers, arrestors
Material	CS, SS, 16Mn
Delivery	Per IFC drawing
Documentation	MTC · dimensional report

Pipes & insulationCoated pipes

3PE, FBE, coal-tar epoxy and liquid-epoxy coated pipe for buried and corrosive service.

Specifications

Item	Details
External	3PE, FBE, coal-tar epoxy
Internal	Liquid epoxy, plastic lined
Pipe	SAW, ERW, seamless per API 5L / GB
Codes	GB/T 23257 · SY/T 0447 · project spec
Documentation	Coating report + MTC 3.1

Pipes & insulationSpecialty coatings

IPN8710, TPEP, plastic-lined composite, grooved fire pipe and galvanized coatings.

Specifications

Item	Details
External	3PE grades, coal-tar epoxy
Internal	IPN8710, plastic lined
Variants	TPEP, grooved fire, galvanized
Codes	GB/T 23257 · SY/T 0457
Documentation	Coating + MTC 3.1

Pipes & insulationJacketed pre-insulated

Pre-insulated pipe with 3PE/PE steel jackets and rock wool for steam and river crossings.

Specifications

Item	Details
Jacket	3PE steel casing, PE casing
Insulation	Rock wool, PU, composite
Build	Carrier + insulation + jacket
Standard	GB/T 29047 · CJ/T 114
Documentation	Factory QA + MTC

Pipes & insulationPre-insulated pipe

Pre-insulated buried carrier pipe with PU/PE/mineral wool systems for hot water and steam.

Specifications

Item	Details
Build-up	Carrier + insulation + jacket
Insulation	PU, PE, rock wool
Standard	GB/T 29047 · CJ/T 114 · project spec
Delivery	Shop prefabrication · joint kit guidance
Documentation	MTC · insulation thickness record

Pipes & insulationSteel-cased fittings

Pre-insulated bends, tees and anchors matched to carrier insulation build-up.

Specifications

Item	Details
Items	Bends, tees, anchors
Match	Same insulation thickness & jacket
Steel-cased	Fixed / slide anchors prefab
QC	Thickness & void detection
Documentation	Factory QA record + MTC

Pipes & insulationPre-insulated fittings

Pre-insulated bends, lateral tees and anchors for primary networks and steam branches.

Specifications

Item	Details
Bends	Pre-insulated bends #1/#2
Tees	Insulated tee, lateral, crossing
Anchors	Insulated and steel-cased anchors
Match	Same build as carrier pipe
Documentation	MTC · insulation QC

Pipes & insulationSAW spiral pipe

SAW spiral pipe for transmission, structural and jacket applications.

Specifications

Item	Details
Types	SAW spiral
OD range	NPS 8"–144" (Φ219–Φ3620 typical)
Standard	GB/T 9711 · SY/T 5037 · API 5L
State	Black or beveled
Documentation	MTC 3.1

Pipes & insulationERW & fire pipe

ERW/LSAW steel pipe and grooved fire-protection pipe for water and fire systems.

Specifications

Item	Details
Types	ERW / LSAW
Size	NPS ½"–80" typical
Standard	GB/T 3091 · GB/T 9711 · API 5L
State	Black, beveled or grooved
Documentation	MTC 3.1

SpecialtySteel-cased pre-insulated pipes

Steel-cased pre-insulated buried pipe: carrier, mineral wool insulation, steel casing and factory anchors for steam and hot water.

Applications

Item	Details
Build	Carrier + wool + steel casing + anchors
Insulation	Rock wool, calcium silicate, composites
Accessories	Anchors, bends, tees — shop prefab
Design note	EN 253 / DIN references on project request (design to spec)
Service	Sizing support · spool numbering · site advisory
Documentation	Factory QA dossier + MTC 3.1

Export support & contact

Long-term supplier to chemical, power, district-heating and infrastructure projects — export RFQs, factory audits and witness inspection welcome.

Reference sectors (selected)

PetrochemicalMajor coal-to-chemical complexes — Northwest China

MetallurgyIntegrated steel & power-metallurgy plants

District heatingProvincial heating EPC trunk networks

PowerThermal power BOP piping upgrades

AirportsBeijing Capital & Shanghai Pudong — terminal piping

Public venuesLarge sports & sailing venue mechanical packages

Applications

Oil, gas & petrochemical transmission
District heating & steam trunk lines
Power & steel retrofit projects
Airports, utilities & infrastructure

Projects & export

Fittings and pre-insulation for airports and public buildings
Framework supply to utility and EPC contractors
Export shipments with MTC, NDT reports and packing lists

Services

Custom production per IFC / isometric drawings
Third-party witness and factory acceptance tests
Export packing, FOB/CIF logistics support
Online product catalog: hypipelines.com/en/

Export documentation pack

Commercial invoice & packing list
EN 10204 type 3.1 mill test certificate (MTC)
PMI / mechanical / NDT reports as specified
HS code & goods description on request
FOB / CIF quotation (Incoterms 2020)
Wooden case / steel frame packing photos

Contact us

Yanshan Hengzhenyuan Pipeline Co., Ltd.
Hengtai Compound, Wuliyao, Yanshan County, Cangzhou, Hebei, China
Tel: +86-189-3171-0082
Email: [email protected]
https://hypipelines.com/en
https://hypipelines.com

Export RFQs · factory audits · online catalog at hypipelines.com/en/

3,000 tMax hydraulic press

NPS ½"–104"Fitting range (per drawing)

ISO 9001Quality management system

3.1 MTCMill certs on request

Yanshan Hengzhenyuan Pipeline Co., Ltd.

Contents

Company & export scope

Manufacturing capacity

Quality, NDT & traceability

Management system certificates

Wrought & forged fittings

Coated & lined pipe

Supports & power-plant items

Steel-cased buried systems

Product & business lines

Pipe fittings

Pipes & insulation

Project accessories

Steel-cased buried pipes

Key markets

Manufacturing & QA

Head office & plant

Materials & processes

Common standards

Business contact

Website & catalog

Manufacturing

Quality & testing

Typical inspection scope for export

Certifications

Specifications

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Applications

Reference sectors (selected)

Applications

Projects & export

Services

Export documentation pack

Contact us