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OEM 12.9 Class Grade Excavator Dozer Track Bolt and Nut
US$6.00
50-99 Pieces
US$3.45
100-999 Pieces
US$2.85
1,000-9,999 Pieces
US$2.465
10,000+ Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
Online SupportWarranty
Online SupportType
Bolt and NutApplication
ExcavatorCertification
CE, ISO9001: 2000Condition
NewMaterial
40cr SteelGrade
12.9Colors
Yellow or Black & Customized.Finish Surface Treatment
Smooth and PaintingManufacturing Techniqu
Forging, Casting, Machining, Heat Treatment, AssemApplicable Industries
Machinery Repair Shops, Other, Retail, ConstructioTransport Package
Standard Exported Wooden CrateSpecification
StandardTrademark
Z. K. M/UCMAN/CustomizedOrigin
QuanzhouHS Code
843149Production Capacity
50000000Key features
High Grade Material: Available in 40Cr, 35CrMo, 42CrMo, and 45 steel for superior durability.
12.9 Class Strength: High-strength 12.9 grade bolts designed for heavy-duty excavator applications.
Customizable Colors: Colors available in Black, Yellow, or fully customized to client requirements.
Multiple Certifications: Certified with CE and ISO9001:2000 standards for quality assurance.
Versatile Manufacturing: Produced via forging, casting, machining, heat treatment, and assembly.
Three Quality Tiers: Offers Economic, Standard, and Heavy Duty options for different machine weights.
Fast Stock Delivery: Items in stock can be delivered within 0-7 days after payment.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤2.00h
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 activity, OEM service for well-known brands, and production capacity for track rollers, track links, idlers, sprockets, and top rollers. Export sales represent 51%–70%, with markets spanning multiple regions. However, quality assurance and traceability status are unknown, quality-control test equipment is reported as zero, and only one R&D engineer is listed. The supplier has no overseas warehouses, showrooms, agents, or branches, but has attended Bauma China. Financial credibility, certifications, and specific customer cases cannot be adequately verified from the provided information.
Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, operating as a limited company in Fujian, China. This indicates a combined manufacturing and trading business structure.
After-Sales capabilityThe supplier reports that its technology engineer provides technical support for after-sales service and that it has a clear customer-complaint procedure with follow-up records. However, it has no overseas warehouse, showroom, agent, or branch, which limits documented local service infrastructure.
R&D capabilityThe supplier reports new products within the past year, ODM service, and an R&D engineer responsible for new product development and technical support. Evidence is limited by the listing of only one R&D engineer and no available SDK; quality-control test equipment is also reported as zero.
Production capacityReported annual output includes 150,000 track rollers, 8,000 track links, 8,000 idlers, 5,000 sprockets, and 5,000 top rollers. The supplier also serves broad export markets and reports 51%–70% of sales from exports, supporting evidence of established production and international supply capability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with ODM services. These statements provide direct evidence of broad customization coverage.
Product Q&A
Q:Are you a factory or a trading company?
A:
We are a factory and trade integration business, with our factory located in Quanzhou City, Fujian Province.
Q:What are the payment terms and delivery terms?
A:
Payment: 30% T/T in advance, balance T/T before delivery. Delivery: Generally LCL with CIF or EXW; LCL also available with FOB or CIF. Terms are negotiable.
Q:What is the delivery time?
A:
FOB Xiamen or other ports take 25-30 days after receiving advance payment. If items are in stock, delivery takes only 0-7 days.
Q:How can I ensure the part fits my excavator and what is the quality control?
A:
Provide the model number, serial number, part numbers, dimensions, or drawings. We have excellent testers to check every piece and strict controls to ensure product safety.
Q:What quality types do you offer?
A:
We offer three types: Economic (6 months guarantee, for 20 tons and less), Standard (12 months guarantee, for mini excavators), and Heavy Duty (12 months guarantee, for over 30 tons machines).
Send Inquiry
*To:
Quanzhou Zhongkai Machinery Co., Ltd.
Quanzhou Zhongkai Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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