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Full-Day Factory Inspection Covers All Production Areas

The visiting Korean team conducted an extensive on-site evaluation of Eurasian Steel Ball's manufacturing infrastructure, spending an entire day reviewing technical capabilities, production processes, and quality control protocols.

Inspection Coverage Included:

Production Floor Assessment
The delegation observed the company's primary manufacturing operations, including:

• High-capacity grinding equipment processing steel balls across multiple size specifications

• Automated material handling systems ensuring production efficiency

• Workflow organization designed for batch traceability and process control

• Surface finishing operations achieving mirror-polish surface quality (Ra 0.02μm achievable)

CQI-9 Certified Heat Treatment Facility
Visitors examined the proprietary heat treatment production line , which features:

• Controlled quenching and tempering systems maintaining ±2°C temperature precision

• Automated furnace operations compliant with CQI-9 special process requirements

• Real-time monitoring equipment tracking thermal cycles for quality consistency

• Post-treatment inspection stations verifying hardness specifications (HRC 58-66 range achievable depending on material grade)

Quality Control Laboratory
The Korean team spent significant time reviewing testing capabilities in Eurasian's professional inspection center, equipped with:

• Precision roundness measurement instruments capable of ±0.1μm accuracy for verifying G10-G1000 grade tolerances 

• Rockwell hardness testing systems calibrated to ISO 6508 international standards

• Optical emission spectrometers for chemical composition analysis of GCr15 bearing steel , stainless steel grades, and carbon steel materials

• Vibration measurement equipment detecting microscopic surface defects per DIN 5401 specifications

Material Storage and Logistics Areas
The tour also covered:

• Climate-controlled warehousing maintaining <60% relative humidity to prevent oxidation

• Rust-prevention treatment zones applying VCI (Vapor Corrosion Inhibitor) protective coatings

• Packaging stations using moisture-barrier materials for export shipments

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Conference Discussion Focuses on Manufacturing Capabilities

Following the factory tour, both parties held structured discussions in Eurasian's conference room to review technical documentation and quality management systems.

Key Discussion Points:

Certification Framework Review
The Korean delegation expressed particular interest in Eurasian's comprehensive certification portfolio:

• IATF 16949:2016 – International automotive quality management system certification

• ISO 22716:2007 – International cosmetic GMP certification

• GMPC (US) 2022 – US FDA cosmetic GMP certification

• Bureau Veritas (BV) – Third-party factory audit certification

These certifications demonstrate Eurasian's capability to serve multiple regulated industries requiring stringent quality standards.

Quality System Documentation
Eurasian presented detailed records illustrating:

• Statistical Process Control (SPC) methodologies used for dimensional monitoring

• Corrective and Preventive Action (CAPA) procedures for nonconformance management

• Material traceability systems tracking raw material origins through finished products

• Calibration schedules for all measurement equipment (annually verified by accredited laboratories)

Production Capacity and Flexibility
The company outlined its manufacturing scale:

• Annual production capacity: 8,000+ tons across all product categories

• Size range: 1mm to 50mm diameter steel balls

• Material variety: Chrome steel (GCr15/52100 ), stainless steel (304/316/420/440C ), carbon steel, and specialty alloys

• Precision grades: G10 through G1000 to meet diverse application requirements

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International Partnership Development

The visit represents Eurasian Steel Ball's ongoing efforts to expand relationships with international customers across Asia-Pacific markets. Korean manufacturers have shown increasing interest in Chinese precision component suppliers who can demonstrate:

• Comprehensive quality certifications meeting international standards

• Advanced testing capabilities providing full material characterization

• Scalable production capacity supporting both prototype and volume orders

• Technical communication capabilities facilitating engineering collaboration

One Korean representative commented during the facility tour: "The integration of automated manufacturing systems with professional quality control infrastructure demonstrates serious commitment to precision manufacturing standards."

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Company Infrastructure Highlights

Manufacturing Facilities:Eurasian Steel Ball operates specialized production zones including:

• Dedicated precision grinding workshops  with climate control for thermal stability

• Multi-stage polishing lines achieving surface finishes from 0.02 to 0.4 μm Ra depending on application requirements

• Automated inspection stations performing 100% dimensional verification on critical specifications

Technical Capabilities:The company's engineering team provides:

• Material selection consultation for application-specific requirements

• Custom tolerance specifications beyond standard precision grades

• Prototype development services with accelerated sampling timelines

• Technical documentation in English, Korean, Japanese, and Chinese languages

Quality Assurance:Eurasian maintains quality protocols including:

• Incoming material inspection (chemical composition, hardness verification)

• In-process monitoring (dimensional checks at 2-hour intervals during production)

• Final inspection (AQL sampling per ISO 2859 standards)

• Retention samples stored for 24 months for traceability

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About Changzhou Eurasian Steel Ball Co., Ltd

Established as a specialized manufacturer of precision steel balls, Eurasian Steel Ball serves global customers across bearing manufacturing, automotive components, cosmetic packaging, industrial machinery, and research applications.

The company's product portfolio spans:

• Precision bearing balls  in chrome steel and stainless steel materials

• Application-specific balls for valves, spray systems, and mechanical components

• Grinding media for mineral processing and industrial milling

• Custom specifications developed in collaboration with engineering teams

With continuous investment in automated manufacturing equipment and quality testing systems, Eurasian Steel Ball maintains its position as a trusted supplier to customers in over 30 countries worldwide.

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Frequently Asked Questions (FAQ)

Q1: What industries does Eurasian Steel Ball serve?
Eurasian supplies precision steel balls to multiple industries including bearing manufacturers, automotive components, cosmetic packaging (roll-on applicators), industrial machinery, spray valve systems, and research institutions. The company's IATF 16949 and GMPC certifications enable service to highly regulated sectors.

Q2: What precision grades can Eurasian manufacture?
Eurasian produces steel balls from G10 (ultra-precision) to G1000 (general industrial) grades per ISO 3290 standards. G10-G28 grades are typically specified for high-performance bearing applications requiring tight dimensional tolerances (±0.5μm diameter variation).

Q3: How does Eurasian ensure consistent quality across production batches?
The company employs a CQI-9 certified heat treatment process with automated temperature control (±2°C precision) and operates a professional quality laboratory equipped with roundness measurement systems, hardness testers, spectrometers, and vibration analyzers. Every production batch receives documented inspection per customer specifications.

Q4: What materials are available for steel ball production?
Eurasian manufactures balls in multiple materials:

• Chrome steel (GCr15/52100) – standard bearing applications

• Stainless steel (304/316/420/440C) – corrosion-resistant requirements

• Carbon steel (1010/1015) – cost-effective industrial uses

• Specialty alloys available upon request for specific applications

Q5: Does Eurasian provide material certifications and test reports?
Yes, every shipment includes comprehensive documentation:

• Material composition analysis (via optical emission spectrometer)

• Hardness test reports (Rockwell HRC or Vickers HV readings)

• Dimensional inspection certificates (diameter, roundness, surface roughness)

• Certificate of Conformance per customer specifications

• Traceability codes linking finished products to raw material lots

Q6: What is Eurasian's approach to international customer service?
Eurasian maintains multilingual technical support (English, Korean, Japanese, Chinese) and provides detailed pre-sales consultation including material selection guidance, tolerance feasibility analysis, and application-specific recommendations. The company welcomes factory audits from potential partners to demonstrate manufacturing capabilities firsthand.

http://www.cnballs.cn
Changzhou eurasian

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