Fully computer-controlled heat treatment system
Fully CNC machined
Full material and metallurgical analysis
China's largest production volume
All machining on CNC lathes and machining centers
Centrifugally cast — zero casting defects
Centrifugally cast on high-speed casting machine
Mirror-finish CNC machining
Extended working life
Centrifugally cast on high-speed casting machine
Mirror-finish CNC machining
Extended working life
Cast steel, full inspection
Machined on CNC vertical lathe
Forged from alloy steel
CNC lathe machining
Cast steel, full inspection
CNC milling machine machining
Weight: 19 tons
[Product application]
Symons cone crusher 2ft ~ 7ft. Metso cone crusher HP3 ~ HP6. Metso cone crusher HP100 ~ HP800. Metso cone crusher GP11 ~ GP550. Metso MK Gyratory crusher S42-65 ~ S60-110. Metso MP800, MP1000, MP1250, MP2500. Sandvik cone crusher CH420 ~ CH890. Sandvik cone crusher CS420 ~ CS660. Minyu MCC40, MCC45, MCC51, MCC54, MCC60, MCS200, MCS300. Nordberg OMNICONE 937, 1144, 1352, 1560.
[Product Material]
C93800, C93700, JM 14-15, CuPb15Sn7, CuPb20Sn5.
[Product technology]
Centrifugal casting.
[Product features]
Centrifugal-cast C93800/C93700 bronze for uniform grain structure and maximum wear life.
CNC-machined to OEM tolerances (±0.02mm) for direct drop-in replacement without fitting.
Full dimensional inspection report included with every shipment.
[Product application]
Symons cone crusher 2ft ~ 7ft. Metso cone crusher HP3 ~ HP6. Metso cone crusher HP100 ~ HP800. Metso cone crusher GP11 ~ GP550. Metso MK Gyratory crusher S42-65 ~ S60-110. Metso MP800, MP1000, MP1250, MP2500. Sandvik cone crusher CH420 ~ CH890. Sandvik cone crusher CS420 ~ CS660. Terex TC1000, MVP380, MVP450, MVP550. Minyu MCC40, MCC45, MCC51, MCC54, MCC60, MCS200, MCS300. McCloskey MC200, MC300, MC400. Nordberg OMNICONE 937, 1144, 1352, 1560.
[Product Material]
Mn13Cr2, Mn18Cr2, Mn21Cr2, Mn21Cr2Mo, XT510, XT520, XT610, XT710, XT720.
[Product technology]
Sand casting.
[Product features]
Work-hardening Mn18Cr2/Mn21Cr2Mo manganese steel for extended service life under impact.
Multiple cavity profiles (standard, medium, short-head) to match your feed and product requirements.
UT-tested castings ensure zero internal defects before machining.
[Product application]
Symons cone crusher 2ft ~ 7ft. Metso cone crusher HP3 ~ HP6. Metso cone crusher HP100 ~ HP800. Metso cone crusher GP11 ~ GP550. Metso MK Gyratory crusher S42-65 ~ S60-110. Metso MP800, MP1000, MP1250, MP2500. Sandvik cone crusher CH420 ~ CH890. Sandvik cone crusher CS420 ~ CS660. Minyu MCC40, MCC45, MCC51, MCC54, MCC60, MCS200, MCS300.
[Product Material]
20CrMnTi, 18CrNiMo7, 42CrMo4, 50CrMo4.
[Product technology]
Grinding Gear.
[Product features]
Gleason-ground spiral bevel gears from forged 18CrNiMo7/50CrMo4 alloy steel.
Contact pattern and backlash testing on every set before shipment.
Case-hardened tooth surfaces for excellent wear resistance under high torque.
[Product application]
Metso jaw crusher C63 ~ C200. Terex JW40, JW42, JW55. McCloskey jaw crusher J40, J44, J45, J50. Sandvik jaw crusher CJ208 ~ CJ815.
[Product Material]
Mn13Cr2, Mn18Cr2, Mn21Cr2, Mn21Cr2Mo, XT510, XT520, XT610, XT710, XT720.
[Product technology]
Sand casting.
[Product features]
Mn18Cr2/Mn21Cr2Mo work-hardening manganese steel — surface hardness increases to 500+ HB in service.
Multiple tooth profiles (standard, corrugated, heavy-duty) for different feed types and reduction ratios.
Precision-fit bolt patterns for quick installation with no on-site modifications.
[Product application]
Symons cone crusher 2ft ~ 7ft. Metso cone crusher HP3 ~ HP6. Metso cone crusher HP100 ~ HP800. Metso cone crusher GP11 ~ GP550. Metso MK Gyratory crusher S42-65 ~ S60-110. Sandvik cone crusher CH420 ~ CH890. Sandvik cone crusher CS420 ~ CS660. Minyu cone crusher MCC40 ~ MCC60. Metso jaw crusher C63 ~ C200. Minyu MCC40, MCC45, MCC51, MCC54, MCC60, MCS200, MCS300. Sandvik jaw crusher CJ208 ~ CJ815.
[Product Material]
1045 steel, 42CrMo, 42CrMo4.
[Product technology]
Forging.
[Product features]
Forged from 42CrMo/42CrMo4 alloy steel with ultrasonic testing for internal integrity.
Induction-hardened bearing journals for extended service life under continuous load.
Precision-ground to OEM tolerances with full dimensional reports.
[Product application]
Symons cone crusher 2ft ~ 7ft. Metso cone crusher HP3 ~ HP6. Metso cone crusher HP100 ~ HP800. Metso cone crusher GP11 ~ GP550. Metso MK Gyratory crusher S42-65 ~ S60-110. Sandvik cone crusher CH420 ~ CH890. Sandvik cone crusher CS420 ~ CS660. Minyu cone crusher MCC40 ~ MCC60.
[Product Material]
20Mn5.
[Product technology]
Sand casting.
[Product features]
Sand-cast from 20Mn5 high-strength cast steel with stress-relief heat treatment.
Precision line-bored for accurate bearing and bushing alignment.
Magnetic particle inspection on all critical surfaces — zero-defect guarantee.
Conical crushing chamber — a rotating mantle crushes material against a fixed bowl liner. Produces cubical aggregate with a narrow size distribution. Secondary, tertiary, and quaternary stages. Standard and short-head configurations for different feed and product requirements.
Two opposing jaws — one fixed, one moving — crush by compression. Primary crushing of hard, abrasive materials. Produces coarse, angular aggregate. Single-toggle design with hydraulic CSS adjustment on larger models.
Bowl liners, mantles, jaw plates (Mn18Cr2, Mn21Cr2). Bronze bushings (C93800, C93700). Gears and pinions (20CrMnTi, 18CrNiMo7). Shafts (42CrMo forged). Frames and shells (20Mn5 cast steel). Centrifugal casting for bushings, sand casting for manganese wear parts, forging for shafts and gears.
Wear parts (mantles, bowl liners, jaw plates): Mn18Cr2 and Mn21Cr2 manganese steel — work-hardens from 200 HB to 500+ HB in service. Bronze bushings: C93800 and C93700 centrifugally cast. Gears: 20CrMnTi and 18CrNiMo7 carburized. Shafts: 42CrMo forged.
Yes. All parts are manufactured to original specifications. We are a manufacturer — not a reseller. Parts are cast, forged, and machined in our own facilities using our own patterns.
Stock parts: 3–7 days. Standard production: 14–21 days. Large castings or custom orders: 30–45 days. Express shipping available for emergency breakdowns.
Yes. We export to mining and quarry operations globally. Sea freight for regular orders, air freight for urgent deliveries. Full customs documentation provided.
Yes. Send us your crusher make, model, and a photo or dimensioned sketch of the part. We can identify it from our pattern library or reverse-engineer from a sample.
ZHEJIANG ROCK MACHINERY CO., LTD
Registered in China
Registration number: 91330782MACQ9CX477
Focus on ore processing machines
Leader of aftermarket mining parts
Over 20 years of specialized experience
Full parts support
Fast delivery and quick response
Sales representative:
Tel:
WhatsApp:
WeChat:
Complaints and suggestions
©2026 ZHEJIANG ROCK MACHINERY CO., LTD