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01–OES
Chemical Composition Testing of Raw Materials
SHANGHAI CAIFU · SINCE 2011
TECHNOLOGY & QUALITY
Our R&D Center provides end-to-end quality assurance — from incoming material inspection to final product delivery — ensuring every batch is traceable and verifiable.
In-house process controlFrom incoming material inspection to final product delivery
Technology & Quality
R&D Center
Our R&D Center is equipped with a comprehensive range of testing and inspection instruments, covering full-process quality verification from raw materials to finished products.
From incoming material inspection to final delivery, every stage has its corresponding testing method and record, ensuring every batch is traceable and verifiable.
Testing & Inspection
TESTING EQUIPMENT
02–Tensile Testing Machine
Post-Q&T Mechanical Properties Testing (Tensile Strength, etc.)
03–Low-Temp Impact Tester
Low-Temperature Impact Energy Testing (-10°C to -60°C)
04–Fluorescent MPI
Surface and Near-Surface Defect Detection
05–Eddy Current Sorter
Sorting for Hardness Deviations, Shallow Surface Cracks, or Material Variations
06–Ultrasonic Flaw Detector
Internal Defect Detection in Workpieces
07–Rockwell & Vickers Hardness Testers
Surface and Core Hardness Testing
08–Vision Measuring Machine
Inspection of Surface Condition, Position, and Perpendicularity
09–Flatness Inspection Table
Inspection of Flatness, Parallelism, and Other Geometric Tolerances
10–Thread Gauge
Inspection of Pitch Diameter, Thread Pitch, and Thread Profile Angle for Compliance with Standards
11–Thread Pitch Diameter Gauge
Measurement of Actual Pitch Diameter
12–Metallurgical Microscope
Metallographic Analysis
From Material to Delivery
QUALITY CONTROL PROCESS
01–Raw Material Inspection
Incoming material verification and quality assurance.
02–Precision Forming
Hot forging or cold heading.
03–Heat Treatment
Optimization of material mechanical properties.
04–Turning, Milling, Grinding & Thread Rolling
Precision machining to achieve accurate workpiece dimensions.
05–Rigorous Testing
Mechanical property and dimensional verification throughout the process.
06–Packaging & Logistics
Safe, standardized packaging.
Full in-house process control; surface finishing outsourced to qualified partners.
Every production process is supported by production plans and process route cards.
Quality Framework
CERTIFICATIONS & STANDARDS
Certifications
- ISO 9001 Quality Management System
- National High-Tech Enterprise
- National Technology-Based SME
Standards
Documented. Controlled. Released.
TRACEABILITY COMMITMENT
100% batch traceability is implemented for raw materials and heat treatment processes.
Every batch traceable. Every delivery verifiable.
From raw material inspection to final packaging — documented, controlled, and released.