What is the minimum order quantity (MOQ)?

The MOQ is 1 PC, allowing for sample orders or single unit purchases.

What materials are used for the track roller?

The material is typically 50mn or 40mn2, processed via forging or casting technology.

Hot Sales Excavator Bottom Roller Single Flange Track Roller

Name: Hot Sales Excavator Bottom Roller Single Flange Track Roller
Brand: Quanzhou Zhongkai Machinery Co., Ltd.
SKU: 1972841721

Fujian, ChinaQuanzhou Zhongkai Machinery Co., Ltd.

US$265.00

1-49 Pieces

US$198.00

50-99 Pieces

US$105.00

100-499 Pieces

US$86.00

500+ Pieces

Sample price:US$298.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Video Support

Warranty

6 Months/12month

Type

Dozer

Application

Excavator

Certification

ISO9001: 2000

Condition

New

Occasion

Contrucction, Earthmoving, Mining

Material

50mn, 40mn2

Technology

Forging/Casting

Hardness Depth

8-12mm

Warranty Time

12 Mouths

MOQ

1 PC

Payment Term

30%T/T in Advance, The Balance Before Shipment

Delivery

25-30 Days

Transportation

by Sea

HRC

55-60

Transport Package

Standard Export Wood Pallet

Specification

Standard

Trademark

Z. K. M

Origin

Quanzhou, China

HS Code

8431490000

Production Capacity

100000 Per Month

Key features

Customizable Colors: Available in black, yellow, or customized colors to meet specific needs.

High Hardness Surface: Surface hardness HRC 55-60 with a depth of 8-12mm for durability.

Fast Delivery for Stock: Delivery time is only 0-7 days if parts are in stock.

Flexible MOQ: Minimum order quantity is just 1 PC, supporting samples and bulk orders.

12 Months Warranty: Comprehensive 12-month warranty coverage for peace of mind.

Video Support: Professional after-sales service provided via video support.

ISO9001 Certified: Manufactured under ISO9001:2000 certification standards.

Wide Application: Suitable for excavators, bulldozers, and other undercarriage machinery.

Company profile

R&D CapabilitiesIn-stock CapacityFast DeliveryHigh Repeat Buyers Choice

Quanzhou Zhongkai Machinery Co., Ltd.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤1.22h

AI-Powered supplier vetting

SummaryQuanzhou Zhongkai Machinery Co., Ltd. is identified as both a trading company and manufacturer/factory in Fujian, China. It reports broad customization and ODM capabilities, recent new-product development, one R&D engineer, and 6–10 years of total R&D engineering experience. Production information shows an annual track-roller capacity of 150,000 pieces, with lower stated volumes for track links, idlers, sprockets, and top rollers. The supplier reports OEM service for known brands and exports to multiple global regions. However, quality assurance status, traceability, testing equipment, digitalization, ERP integration, and sustainability capabilities are unknown; testing equipment is stated as zero. No certifications, overseas warehouses, showrooms, agents, or branches are identified. Service strengths include complaint-handling procedures, offline trade-show participation, and stated peak/off-season lead times.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, operating as Quanzhou Zhongkai Machinery Co., Ltd., a limited company in Fujian, China. This indicates combined trading and manufacturing positioning, but the slices do not quantify the relative share of each activity.

After-Sales capabilityThe supplier has one technology engineer responsible for customer-request confirmation and technical after-sales support, and it reports a clear customer-complaint procedure with follow-up records. It has no overseas warehouse, showroom, agent, or branch, although it has participated in Bauma China; therefore, documented complaint handling is a strength, while overseas service infrastructure is limited.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and offers broad R&D-related customization. One R&D engineer is listed with responsibilities covering technical support and new-product development, while total R&D engineering experience is stated as 6–10 years; however, no SDK is available and the R&D team size appears limited.

Production capacityStated annual capacities include 150,000 track rollers, 8,000 track links, 8,000 idlers, 5,000 sprockets, and 5,000 top rollers. The supplier also reports 6–10 quality-control staff and lead times of one month in peak season and within 15 working days in off-season, supporting production capability; however, quality-control testing equipment is stated as zero.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability and broad design-service capability, providing direct evidence of strong customization coverage.

Client casesThe supplier reports OEM service for known brands, participation in the Bauma China offline trade show, and exports to South America, Eastern Europe, the Middle East, North America, Southeast Asia, Eastern Asia, Oceania, Western Europe, and Africa. These statements indicate brand and international-market experience, but no named customer cases or independently verifiable project references are supplied.

Product Q&A

Q:How can I ensure the part fits my machinery?

Please send us the correct model number, machine serial number, any numbers on the parts themselves, or provide dimensions or drawings.

Q:What are the payment terms?

Generally, 30% deposit via T/T in advance, and the balance payment before shipment.

Q:What is the lead time for delivery?

Standard lead time is 25-30 days. If parts are in stock, delivery can be completed within 0-7 days.

Q:What packaging do you offer?

We normally use export standard wood pallets. Special packaging requirements can be discussed.

Q:How do you ensure quality control?

We have a perfect system for checking product quality. Our team carefully inspects products and the manufacturing process at every stage to ensure safety during container loading.