Rigorously tested, non-destructive evaluated (NDT), and re-engineered machinery ready for immediate global deployment.
Established in 2008, Qingdao Prizor Excavator Co., Ltd. has achieved rapid and steady growth over the past 16 years, becoming a leading supplier of high-quality used construction machinery, specialized rigging setups, and industrial equipment in China. With extensive industry experience and a strong global network, the company specializes in providing reliable and cost-effective equipment solutions to enterprise customers worldwide.
Our core product range includes used excavators, used wheel loaders, used bulldozers, used motor graders, used backhoes, used road rollers, used cranes, and heavy-duty forklifts. We offer machines from internationally recognized tier-1 brands such as CAT, Komatsu, Hitachi, Doosan, Hyundai, Kobelco, SANY, XCMG, Liugong, SDLG, JCB, New Holland, and CASE. All equipment is carefully inspected, tested, and maintained to ensure stable performance and long service life, meeting the diverse operational challenges of infrastructure engineering, mining, and port logistics.
Guided by the principles of integrity, development, cooperation, and win-win, Prizor strives to build lasting partnerships and contribute to the success of customers worldwide across Southeast Asia, Africa, South America, and the Middle East.
Exploring how global EPC conglomerates and mining operators leverage OEM/ODM re-certified secondary equipment to mitigate supply chain volatility and optimize CAPEX.
Macroeconomic inflation and lead-time bottlenecks for newly fabricated machinery have accelerated reliance on secondary markets. Pre-owned rigging hardware and heavy machinery provide up to 55% reduction in initial capital outlay while matching 90-95% operational efficiency of newly manufactured units.
Major infrastructure developers are mandating carbon footprint reduction targets. Re-certifying and re-deploying secondary rigging gear, excavators, and drilling rigs reduces scrap metal generation and prevents embodied carbon expenditure associated with raw steel smelting.
Modern OEM/ODM second-hand suppliers go beyond simple brokering. Advanced reconditioning involves structural stress relief, replacement of wear items with original OEM parts, hydraulic pump recalibration, and customized modification for specific regional safety rules.
Every piece of secondary rigging equipment, crane boom, and earthmoving chassis undergoes a rigorous 5-stage engineering evaluation.
| Inspection Stage | Evaluation Methodology | Technical Threshold / Standard | Operational Outcome |
|---|---|---|---|
| 1. Non-Destructive Testing (NDT) | Magnetic Particle (MPI) & Ultrasonic Thickness (UT) Testing on load hooks, shackles, & boom pivots. | Zero structural micro-fractures; material thickness within >92% OEM original specification. | Guarantees structural integrity under extreme dynamic fatigue loading. |
| 2. Hydraulic Pressure Testing | Main pump relief pressure logging and main valve spool leakage diagnostic under temperature load. | System holding pressure tolerance deviation within <3% over 60-minute duration. | Eliminates drift risk in heavy lifting, boom extension, and load retention. |
| 3. Dynamic Proof Loading | Certified test-bench deadweight overload tests (125% to 150% rated working load limit WLL). | ASME B30.26 / EN 818-2 structural deflection standards. | Issuance of official Load-Test Safety Certificate prior to export packaging. |
| 4. Engine & Transmission Diagnostics | Cylinder blow-by measurement, spectroscopic oil analysis, electronic control module (ECM) fault scanning. | Zero active fault codes; compression values within 90% of factory new specs. | Prevents unexpected downtime, ensuring low fluid consumption and clean emissions. |
| 5. Surface Finishing & Corrosion Control | Shot-blasting to Sa 2.5 standards followed by high-solid epoxy anti-corrosion marine coating. | Minimum coating dry-film thickness (DFT) of 150–200 microns. | Maximum resistance to offshore marine environments and high-humidity mining zones. |
From deep foundation engineering to port handling, our custom OEM/ODM second-hand equipment packages deliver proven performance.
Pre-owned rotary drilling rigs (such as Bauers, SANY, and XCMG) paired with re-certified heavy-duty lifting tackles enable rapid bridge foundation and skyscraper piling projects. Our team configures torque outputs and drill stem extensions matching local geological formations.
Mining operations require rugged dependability. We supply high-capacity heavy excavators (50-100 ton range like CAT 349/352, SANY SY550H, Hyundai 330LC) coupled with mobile crushing plants and vibrating screening systems engineered for continuous hard-rock processing.
Compact battery electric material handling equipment, counterbalanced forklifts, and mobile rigging gantries streamline indoor warehouse assembly, container freight stations, and multimodal transit hubs with zero direct exhaust emissions.
Expanding project capabilities with specialized production, spraying, extraction, and earthmoving auxiliary gear.
Integrating Next-Gen Smart Sensors and AI Telematics into Secondary Machinery Deployment.
Retrofitting second-hand rigging hardware with wireless load cells provides real-time force measurements during critical crane lifts, preventing unexpected overload conditions and automatically logging duty cycles to cloud platforms.
Machine learning models analyze hydraulic fluid temperature curves, particle counts, and pump vibration signatures on pre-owned excavators, triggering scheduled maintenance before component degradation leads to unscheduled site outages.
Every OEM/ODM secondary gear package is assigned a cryptographic digital passport detailing historic working hours, original steel mill certifications, past load test results, and documented maintenance records for complete procurement transparency.
Navigating complex international trade frameworks, environmental standards, and cross-border machine certification.
We ensure that all refurbished cranes, excavators, and heavy rigging assemblies adhere strictly to OSHA 1926.251, EN 818-2, and CE Machinery Directive specifications, facilitating seamless customs clearance and job site safety approval worldwide.
For equipment rental fleets and multinational contractors, we offer complete ODM customized painting, corporate livery application, custom mounting brackets, and tailored hydraulic quick-couplers built directly to project specifications.
Our logistics team specializes in RO-RO (Roll-on/Roll-off), Flat Rack containerization, and customized export crating to protect precision hydraulic components and heavy booms from salt-spray corrosion during transoceanic transit.
Expert responses regarding OEM/ODM second-hand equipment procurement, safety standards, and global shipping logistics.