What certifications does the machine have?

The machine is certified with CE and ISO 9001.

What is the minimum order quantity?

The minimum order quantity is 1 set.

How is the machine inspected before delivery?

All finished products undergo 100% inspection including visual and functional checks.

M250A Internal Grinding Machine Tool

Name: M250A Internal Grinding Machine Tool
Brand: WUXI CHANGYI MACHINE TOOL CO., LTD.
SKU: 836838375

Jiangsu, ChinaWUXI CHANGYI MACHINE TOOL CO., LTD.

US$30,300.00

1 Piece

US$30,000.00

2+ Pieces

Product profile

Customization

Available

Type

Internal Grinding Machine

Processing Object

ID 150-500mm Grinding

Model NO.

M250A

Abrasives

Grinding Wheel

Controlling Mode

Artificial

Automatic Grade

Manual

Cylindrical Grinder Type

Internal Grinder

Precision

High Precision

Certification

CE, ISO 9001

Condition

New

Roundness of Inner Hole

5um

Cylindricity of Inner Hole

5um

Surface Roughness of Inner Hole

Ra0.63um

Grinding Diameter

150-500mm

Max. Grinding Depth

450mm

Weight of Machine Tool

4550kgs

Transport Package

Waterproof Film Wrapped, Wooden Case Package

Specification

3860x1600x1850mm

Trademark

CHANGYI

Origin

Wuxi, China

HS Code

8460292

Production Capacity

20 Sets Per Year

Key features

High Precision Grinding: Achieves roundness and cylindricity of 5um with surface roughness Ra0.63um.

Hydraulic Stepless Adjustment: Work table speed and dressing motion are hydraulically driven with stepless adjustment.

Wide Grinding Range: Handles internal holes from 150mm to 500mm diameter with max depth of 450mm.

Full Customization Available: Offers full, minor, and flexible customization from samples or designs.

CE and ISO 9001 Certified: Meets international safety and quality management standards.

100% Finished Product Inspection: Every unit undergoes visual and functional inspection before delivery.

Flexible Payment Terms: Accepts LC, T/T, and small-amount payments for buyer convenience.

OEM and ODM Services: Manufacturer supports both Original Equipment Manufacturing and design services.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceImporters and ExportersSelf-branded

WUXI CHANGYI MACHINE TOOL CO., LTD.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryWuxi Changyi Machine Tool Manufacturing Co., Ltd. is a machine-tool manufacturer producing equipment for cylindrical-hole, conical-bore, step-hole, surface-end, external, and centerless grinding applications. It reports broad customization and ODM capabilities, new product development within the past year, one national science and technology progress award, and OEM service for well-known brands. Manufacturing facilities include turning, drilling, milling, grinding, laser cutting, and spraying equipment, with stated annual productivity of 1,000 sets of internal and external grinding machines and five quality inspectors. The supplier has 19 years of export experience, exports 21%–30% of sales, and has participated in CIMT 2023. Quality procedures include finished-product inspection instructions, raw-material traceability, complaint handling, and corrective-action procedures. However, it has no overseas warehouse, showroom, agent, or branch, does not perform continuous batch quantity reconciliation, and the...

Supplier typeThe supplier is identified as a machine-tool manufacturer whose products cover cylindrical-hole, conical-bore, step-hole, surface-end, external, and centerless grinding applications. Its equipment is described as suitable for single-unit, small-batch, and large-batch production, including semi-automatic and fully automatic machine tools.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and holds one national science and technology progress award. It does not have an available SDK, but the reported product-development and award evidence supports innovation capability for machine-tool development.

Production capacityProduction resources include lathe, drilling, milling, grinding, laser-cutting, and spraying facilities, with stated annual productivity of 1,000 internal and external grinding machines and one production line. The supplier also describes products for single-unit through large-batch production; however, it does not continuously reconcile quantities for each batch or mass production, which is a production-control weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability and recent new-product development, providing direct evidence of broad customization capability.