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Newsroom

All the most important and interesting things about the Huaci company. Learn about the company's new products, developments and major achievements.

15 2026-07
Silicon Nitride Balls Manufacturing Process: From Ceramic Powder to Precision Bearing Components

Learn how silicon nitride balls are manufactured, including powder preparation, forming, sintering, HIP processing, precision grinding, polishing, and quality inspection.

13 2026-07
What Are Silicon Nitride Balls?

Huaci Juli manufactures and supplies precision silicon nitride balls for hybrid ceramic bearings, full ceramic bearings, aerospace systems, electric motors, and other advanced engineering applications. Standard diameters are available from 0.5 mm to over 30 mm, while custom sizes, grades, and specifications can be produced to meet specific customer requirements.

10 2026-07
Hybrid Ceramic Bearing Recommendation: Four Key Advantages of Silicon Nitride (Si3N4) Balls in Vacuum Pumps

If you are seeking a solution to significantly extend maintenance intervals for vacuum pumps, hybrid ceramic bearings represent the current industry best practice.What is a hybrid ceramic bearing? It consists of inner and outer rings made of bearing steel (or stainless steel) combined with silicon nitride (Si3N4) ceramic balls. This "hybrid" design merges the toughness of steel with the hardness of ceramics, creating a high-performance

10 2026-07
Zirconia vs. Silicon Nitride: How to Choose the Right Ceramic Bearing?

Both Zirconia (ZrO2) and Silicon Nitride (Si3N4) are high-performance ceramic bearing materials. Neither is inherently "better" than the other; rather, each possesses unique physical and chemical properties. The choice of material depends primarily on your specific application scenario and operating requirements.

08 2026-07
Silicon Nitride Balls for Automated Guided Vehicle (AGV) Wheel and Guide Bearings

Intelligent factory AGV automated guided vehicles operate with frequent start-stop, variable load and long-time continuous shuttle operation inside workshop, warehouse and logistics distribution center. Silicon nitride balls are gradually applied in AGV wheel bearings and guide rail rolling bearings to solve rapid wear, rust and frequent maintenance problems of traditional steel bearing schemes, improving intelligent logistics equipment operating stability.

08 2026-07
Surface Defect Inspection Items for Qualified Silicon Nitride Balls Before Factory Delivery

Strict surface defect inspection is the last quality control barrier before silicon nitride balls leave factory, eliminating defective products with hidden cracks, scratches, pits and contamination, ensuring assembled bearings run stably and avoid premature failure. Complete surface inspection system covers visual inspection, optical screening, microscopic detection and sampling destructive testing, matching quality requirements of different application grades from general industry to aerospace and medical fields.