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Flagship product 4 series · 110 catalogue models IATF 16949:2016 certified

Steel Wheels & Rims

Tubeless and tube-type truck & bus steel wheels with 22.5×9.00 as the main runner, a forged aluminum 22.5×9.00, cast 13-29 mining wheels and multi-piece rims up to 36.00-25. Rims, 12LW rim section steel, wheel discs are supplied separately to wheel makers who form or weld in-house.

Cathodic e-coated tubeless steel wheels beside the coating line
GROUP 1 · ON-HIGHWAY WHEELS

Truck & Bus Steel Wheels

Main runner: the 22.5×9.00 tubeless wheel. The 15°DC tubeless series lists 56 models from 16.5" to 24.5"; the FB/SDC tube-type series lists 18 models for bias tyres. Supplied for fleet replacement and OEM fitment.

Tubeless truck and bus steel wheels, 22.5x9.00
22.5×9.00Tubeless steel wheel — flagship size
Steel wheel with ZHONGYUAN stamping on the disc
15°DCDisc stamped with the ZHONGYUAN mark
Bolt hole detail of a tubeless steel wheel
DetailBolt-hole machining detail
Flange and bolt circle detail
DetailFlange / bolt circle detail
Finished truck and bus wheels on a pallet
FinishedFinished wheels, palletised
  • Flagship size: 22.5×9.00 tubeless steel wheel
  • 15°DC tubeless series: 56 models, 16.5"–24.5"
  • FB/SDC tube-type series: 18 models, for bias tyres
  • For on-highway truck and bus fleet replacement and OEM fitment
GROUP 1 · ON-HIGHWAY WHEELS

Forged Aluminum Alloy Truck Wheels 22.5×9.00

The same 22.5×9.00 size as the flagship steel wheel, forged in aluminum alloy for fleets that want the weight saving.

Forged aluminum truck wheel 22.5x9.00, mirror finish
22.5×9.00Forged aluminum wheel — spun blank, mirror finish
Forged aluminum truck wheels, second view
22.5×9.00Forged aluminum wheel, second view
  • Size: 22.5×9.00, matching the steel truck wheel series
  • Forged aluminum alloy construction
  • Lightweight option within the on-highway wheel line
  • For on-highway truck fleets
GROUP 2 · OFF-HIGHWAY WHEELS

Cast Mining Truck Wheels 13-29

Cast 13-29 off-the-road (OTR) wheel for mining and quarry dump trucks — painted, packed and dispatched from the same works.

Cast mining truck wheel, finished
13-29Cast mining truck wheel — finished
Mining wheel on the coating line
CoatingOn the coating line
Mining rims before disc assembly
RimsRims prior to disc assembly
Packed mining wheels ready for dispatch
PackingPacked, ready for dispatch
  • Size: 13-29
  • Cast construction for mining dump truck (OTR) applications
  • Painted and packed in-house before dispatch
  • Suited to mining and quarry dump truck fleets
GROUP 2 · OFF-HIGHWAY WHEELS

Multi-Piece Rims (Engineering & Mining)

Multi-piece rims for engineering machinery and mining vehicles, covering sizes 36.00-25, 22.00/3.0-25, 17.00/3.5-35 and 19.50/2.5-25.

Multi-piece mining rim 36.00-25 with lock ring
36.00-25Multi-piece mining rim with lock ring
Engineering rim 22.00/3.0-25
22.00/3.0-25Engineering / mining rim
Engineering rim 17.00/3.5-35
17.00/3.5-3535″ engineering / mining rim
Loader rim 19.50/2.5-25
19.50/2.5-25Loader rim
  • Sizes: 36.00-25 / 22.00/3.0-25 / 17.00/3.5-35
  • Sizes: 19.50/2.5-25
  • Multi-piece rim construction
  • For engineering machinery and mining vehicles
GROUP 3 · COMPONENTS & INPUT STEEL

Rims & Rim Section Steel

Alongside finished rims, rim section steel — the rolled steel input for rim forming — is supplied in grade 12LW, sizes 5.5F-16, 6.0-16, 7.0-20, 7.5-20, 8.0-20 and 8.5-25, for customers who form their own rims.

Finished rims, close view
RimFinished rim — close view
Rims stacked in the warehouse
RimFinished rims in store
Rim section steel profile, cut ends
12LWRim section steel — profile detail
Rim section steel bundles in the warehouse
12LWRim section steel in store
  • Finished rims
  • Rim section steel raw material, grade 12LW
  • Sizes: 5.5F-16 / 6.0-16 / 7.0-20 / 7.5-20 / 8.0-20 / 8.5-25
  • For customers with in-house rim-forming capability
GROUP 3 · COMPONENTS & INPUT STEEL

Finished Wheel Discs

Formed wheel discs with bolt holes machined, raw or coated — ready for welding straight to the rim.

Coated wheel disc
DiscCoated wheel disc
Wheel discs in batch stock
DiscWheel discs in batch stock
  • Wheel disc: the wheel's disc section, with bolt holes
PRODUCTION & COATING WORKSHOP
Wheels on the production line
Wheel production line
Disc pressing workshop
Disc pressing workshop
Finished wheels in store
Finished wheel store
SPECIFICATIONS

Four Series · 110 Models — Factory Catalogue

The complete model tables below are reproduced from the group's wheel catalogue: 15°DC tubeless wheels for trucks & buses, FB/SDC tube-type (section-steel rim) wheels for bias-tyre fleets, WDC agricultural tractor wheels and TB engineering-machinery wheels. Rim profile codes (DC, FB, SDC, WDC, TB) follow GB/T 31961 and GB/T 12939.

15°DC series — tubeless wheels for trucks & buses (56 models) · GB/T 31961
Rim sizeBolt holes nר (mm)Bolt formP.C.D (mm)Centre bore (mm)Offset (mm)Rim t (mm)Disc t (mm)Weight (kg)Std tyre
16.5×8.258×16.5C90203.2152.5848
16.5×9.759×18H0.5241.3200.5334.510
17.5×6.00HC6×32JSR22222.2516411859
17.5×6.00HC6×20.5JSR221901401085920.5215/75R17.5
17.5×6.75HC10×26H122517613361221.69R17.5
17.5×10.58×19H2275221205129R17.5
19.5×6.008×32JSR2227521412361229.58R19.5
19.5×6.756×32.5JSR22222.25164130612245/70R19.5
19.5×7.508×24JSR16275221144612265/70R19.5
19.5×8.258×17.5H116512114478265/70R19.5
19.5×11.758×21.5H0.5203.2152.643.8715285/70R19.5
19.5×12.2510×30ISR22335283.46.5713
19.5×12.258×20.5A27522137.6714
22.5×6.006×32JSR22222.25163123612
22.5×6.008×32JSR222752141236128.5R22.5
22.5×6.758×24H12752211406128.5R22.5
22.5×6.758×32JSR222752141426129R22.5
22.5×6.756×32JSR22222.2516312661235.69R22.5
22.5×7.508×32JSR222752141386149R22.5
22.5×7.508×32.5JSR2228522114861410R22.5
22.5×7.5010×26H133528115171442.610R22.5
22.5×7.508×24H127522114461410R22.5
22.5×7.5010×32.5JSR22285.75221.513861410R22.5
22.5×8.2510×26H133528115171410R22.5
22.5×8.2510×32.5JSR22285.75221.515471411R22.5
22.5×8.2512074411R22.5
22.5×8.258×32.5JSR22285221151.5713.511R22.5
22.5×8.2510×26H1285.7522015471411R22.5
22.5×8.258×32JSR2227521415471411R22.5
22.5×8.2510×26H133528115671411R22.5
22.5×9.0010×26H133528116171411R22.5
22.5×9.0010×32.5JSR22285.75221.516171443.812R22.5
22.5×9.008×24H127522160713315/80R22.5
22.5×9.0010×27JSR1833528114771412R22.5
22.5×9.008×32.5JSR2228522116171412R22.5
22.5×11.7510×27JSR1833528107124712R22.5
22.5×11.758×21.5ISR162752210710385/65R22.5
22.5×11.7510×20.5H1285.752210712385/65R22.5
22.5×11.7510×26H1335281120713385/65R22.5
22.5×12.258×32JSR222752142716385/65R22.5
22.5×12.2510×26H133528164716425/65R22.5
22.5×13.0010×26H233528120714425/65R22.5
22.5×13.0010×20.5A285.7221071486.6425/65R22.5
22.5×13.008×16.6B90203.2152.50713
22.5×14.0010×27JSR18335281.575716
22.5×14.0010×26H23352812071618R22.5
22.5×14.0010×27JSR183352815071618R22.5
24.5×8.2510×26H133528115471418R22.5
24.5×8.2510×26H1285.75220156612
24.5×8.2510×32JSR22285.75221.5156612
24.5×11.758×17.5C90203.215428610
24.5×11.759×17.5B90241.3201.622616
24.5×1310×23.8ISR22335285.7536.8616
24.5×1510×23.8ISR22335285.754.3616
24.5×1510×32ISR223352813261645
24.5×159×17.5B90241.3201.538616
FB/SDC series — tube-type wheels, section-steel rim, for bias tyres (18 models)
Rim sizeBolt holes nר (mm)Bolt formP.C.D (mm)Centre bore (mm)Offset (mm)Rim t (mm)Disc t (mm)Weight (kg)Std tyre
16-5.50F5×21H1203.2146109Section steel87.00-16
16-5.50F6×32JSR22222.25163112Section steel87.50-16
16-5.50F6×20.5JSR22190140102Section steel66.50-16
6.5-166×32JSR22222.25163125Section steel1013.058.25-16
20-6.58×32JSR22275214135Section steel128.25-20
20-6.58×24H1275221135Section steel108.25-20
20-7.00T8×32JSR22275214140.5Section steel129.00-20
20-7.50V8×32.5JSR22275214153Section steel1210.00-20
20-7.50V10×32.5JSR22285.75222153Section steel1210.00-20
20-7.50V10×26H1285.75220151Section steel1443.610.00-20
20-7.50V10×26H1.5285.75220153Section steel124910.00-20
20-8.00V10×26H1335281156Section steel1311.00-20
20-8.00V10×32.5JSR22285.75222151Section steel1411.00-20
20-8.510×26H1335281161Section steel1412.00-20
20-8.510×26H1335281163Section steel1212.00-20
20-8.510×27JSR18335281.2168Section steel1212.00-20
24-8.510×26H1335281166Section steel1412.00-24
20-9.010×26H1335281184.25Section steel14
WDC series — agricultural tractor wheels (25 models)
Rim sizeBolt holes nר (mm)Bolt formP.C.D (mm)Centre bore (mm)Offset (mm)Rim t (mm)Disc t (mm)Weight (kg)Std tyre
24×W76×19.5B9020516047488.3-24
24×W78×19H0.5203.2152.440.6488.3-24
24×W86×19C9020012583489.5-24
24×W86×20C9016512096489.5-24
18×W98×20A275221.54551012.5/80-18
24×W108×21HI275221124911.2-24
28×W108×16.5A330290.559.54912.4-28
32×W108×20B90200150.1111.54812.4-32
26×W116×17.5H1.51701351448
38×W118×24C9025019911646
24×W128×21A275221224813.6-24
28×W128×20C90203.2152.6
30×W128×21H1203.2152.42041073.0413.6-30
38×W128×19H1203.2152.62251013.6-38
30×W138×21H1203.214020410
28×W14L5×22ISR22335290.559510
28×W14L10×23.5H133528118510
30×W14L8×19C90203.2152.412051016.9-30
24×W15L8×17C90203.215328.4510
28×W15L16×17A305271.814714
28×W15L8×21H1.5203.2152.643714
30×W15L8×19A203.2152.623410
34×W15L8×17A25019976.556
24×W16L10×23H133528155510
30×W16L10×23A3352810516
TB series — engineering-machinery wheels for loaders & industrial vehicles (11 models) · GB/T 12939
Rim sizeBolt holes nר (mm)Bolt formP.C.D (mm)Centre bore (mm)Offset (mm)Rim t (mm)Disc t (mm)Weight (kg)Std tyre
20-10.0010×26H1335281124Section steel1214.00R20
20-12.0010×27JSR22335281102Section steel1615.5-20
20-14.0010×27ISR1833528110Section steel12
25-10.0012×26H1425371184Section steel1618.00-24
25-14.00/1.510×26ISR1833528140Section steel1417.5-25
25-14.00/1.512×24ISR2240435213Section steel1417.5-25
25-17.00/2.012×24ISR3548043570Section steel1620.5-25
25-17.00/2.010×27ISR224804204Section steel1620.5-25
25-19.50/2.510×24ISR2248042024Section steel1623.5-25
25-19.50/2.512×24ISR16.542537072.5Section steel1623.5-25
25-19.50/2.510×27ISR2248042049Section steel1823.5-25
Rim section steel (轮辋钢) — hot-rolled rim sections for tube-type wheels, rolled in-house & supplied to wheel makers · YB/T 5227-2016 (3 models)
Section modelMatching rimMatching bias tyreSection dimensionsStatus
7.50V20-7.50V (20″ tube-type)10.00-20TBDIn production
8.00V20-8.00V (20″ tube-type)11.00-20TBDTo be confirmed
8.520-8.5 / 24-8.512.00-20 / 12.00-24TBDTo be confirmed
Rim section steel is the hot-rolled profile our own FB/SDC tube-type rims are rolled from, and is also supplied externally to wheel manufacturers. Standard: YB/T 5227-2016 (Hot-rolled sections for wheel rims). 7.50V is confirmed in production; 8.00V and 8.5 are the highest-volume companion sections by market evidence and are pending factory confirmation. Section dimensions and steel grade will be published after confirmation; product photography to follow.
Tables transcribed from the factory catalogue; “—” marks values to be confirmed against the original drawing at ordering. Custom bolt patterns and offsets available per drawing.
MATERIALS & TOLERANCES

Material, Standards & Applications

Material Grades

Wheel Disc & Rim Steel
Hot-rolled wheel steel AG440CL / AG380CL (Angang, CL series per YB/T 4151), direct coil supply from Anyang Iron & Steel
Alternative Grades
Higher-strength CL grades available on request, per drawing and load requirement

Executed Standards

  • GB/T 31961 (truck & bus rim series, equiv. ISO 4209-2) — 15°DC / FB / SDC / WDC profiles
  • GB/T 12939 (industrial vehicle rim series) — TB profile, loaders & port machinery
  • Quality system: IATF 16949:2016 (Quality Austria, group certificate to 2029) & ISO 9001

Dimension Tolerance & Surface Finish

Radial & Lateral Runout
Per applicable wheel standard
Surface Treatment
Electrophoretic coating / paint — to be confirmed
Type
Tube-type (TT), tubeless (TL) and multi-piece rims — per tyre type and application

Applications & Fitting Position

  • Trucks & commercial vehicles — drive and trailer axles
  • Buses & coaches
  • Trailers & special vehicles
  • Tube-type / bias-ply fleets — wheels strip and refit at the roadside with hand tools
  • Mining, agricultural & construction vehicles — multi-piece rims for heavy duty
WHEEL PRODUCTION PROCESS

From Steel to Finished Wheel

Every wheel from the Tangyin line passes the same four stages before dispatch — from forming and welding through to top coat and oven drying.

STEP 01

Forming & Welding

Disc and rim are formed and welded into the wheel assembly.

STEP 02

Grinding & Shot Blasting

Welds are ground and the surface is shot-blasted ahead of finishing.

STEP 03

Pickling & Electrophoresis

Pickling and electrophoretic coating for corrosion protection.

STEP 04

Painting & Drying

Top-coat painting and oven drying complete the finished wheel.

OEM & Custom Orders

Wheels are produced to your size, offset and load requirement. Send a drawing or sample — see the OEM & Custom Orders process for how a drawing becomes a mass-production run.

GALLERY

Photos & Video

Production-line, coating and finished-stock photography from the product archive.

Steel wheel on the production line
Tangyin wheel line
Wheel discs in the production workshop
Wheel disc workshop
Wheel on the cathodic e-coating line
Electrophoresis / paint line
Finished truck and bus wheels in storage
Finished wheel stock
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