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Precision Testing
Instruments for Industry & Research

Laizhou Lailuote Testing Instrument Co., Ltd. specializes in R&D and manufacturing of high-precision hardness testers and metallographic preparation equipment. Trusted by laboratories, universities, and industrial quality control centers worldwide since 2007.

About Laizhou Lailuote

Founded in 2007 and located in Laizhou City — known as the "base of China hardness testers" — Laizhou Lailuote Testing Instrument Co., Ltd. has grown into one of China’s leading manufacturers of hardness testing and metallographic sample preparation instruments.

We specialize in researching, developing, and manufacturing a full range of hardness testers including Rockwell, Vickers, Brinell, Leeb, Shore, and Webster models, as well as metallographic cutting machines, mounting presses, grinding and polishing equipment, metallurgical microscopes, and related consumables.

With a professional team of engineers, scientists, and customer service experts — many with over 40 years of industry experience — we deliver reliable, high-performance solutions trusted in quality control, academic research, and industrial applications globally.

One-Stop Solution

Specialized sales engineers provide tailored, global support via phone, email, and online platforms.

High Reliability

We are committed to high-performance products and cost-effective solutions for materials-related challenges.

Global OEM/ODM Service

We offer OEM and ODM services, with products exported to markets around the world.

Our Products

Comprehensive range of hardness testers and metallographic preparation instruments designed for precision, durability, and ease of use in industrial and laboratory environments.

Rockwell Hardness Tester

High-accuracy digital and analog models for fast, reliable hardness testing of metals and alloys. Ideal for QC in manufacturing and metallurgy.

  • • Load ranges: 60–150 kgf
  • • Digital display with data storage
  • • Complies with ASTM E18, ISO 6508
  • • Durable construction, easy calibration

Vickers Hardness Tester

Precision micro and macro Vickers testers with automatic loading and optical measurement. Suitable for thin materials and case depth analysis.

  • • Load range: 1–100 kgf
  • • Automatic indentation measurement
  • • CCD camera & software integration
  • • Meets ISO 6507, ASTM E92 standards

Brinell Hardness Tester

Robust testers for large-grained or inhomogeneous materials. Hydraulic or motorized loading with precise optical measurement.

  • • Load up to 3000 kgf
  • • 10 mm tungsten carbide ball
  • • Complies with ASTM E10, ISO 6506
  • • Ideal for castings and forgings

Leeb Hardness Tester

Portable rebound hardness tester for on-site inspection of large components. Fast, non-destructive, and highly accurate.

  • • Measures HL, HRC, HB, HV, HS
  • • Large memory & USB export
  • • IP65 rated, rugged design
  • • Suitable for pipelines, molds, rolls

Shore Durometer

Digital and analog durometers for measuring rubber, plastic, and elastomers. Available in Shore A, D, and AO scales.

  • • High-precision spring mechanism
  • • Backlit digital display
  • • Auto-hold and data logging
  • • Meets ASTM D2240 standards

Webster Hardness Tester

Compact, handheld tester for quick hardness checks on soft metals like aluminum and copper alloys.

  • • Lightweight, portable design
  • • Direct reading scale
  • • No power required
  • • Ideal for field inspections

Metallographic Cutting Machine

Precision cut-off machines for preparing metallographic samples. Models include QG-4A, Q-100B, and LDQ-350A.

  • • Variable speed control
  • • Coolant circulation system
  • • Safety guard & emergency stop
  • • Suitable for ferrous & non-ferrous metals

Mounting Press

Hot and cold mounting presses for embedding samples in resin for grinding and polishing.

  • • Programmable temperature & time
  • • Hydraulic pressure control
  • • Transparent safety cover
  • • Uniform mounting without voids

Grinding & Polishing Machine

Single and dual-disc automatic grinders and polishers for consistent surface preparation.

  • • Variable speed & timing control
  • • Automatic feed & pressure
  • • Compatible with diamond, alumina, silica
  • • Reduces operator fatigue

Metallurgical Microscope

High-resolution upright and inverted microscopes for microstructure analysis and inclusion rating.

  • • 50X–1000X magnification
  • • LED illumination & camera ready
  • • Image analysis software optional
  • • Complies with ASTM E3, E45

Reading Microscope

Precision optical microscope for measuring indentation diagonals and surface features.

  • • 100X magnification
  • • Reticle with measurement scale
  • • LED ring light
  • • Portable and easy to use

Hardness Tester Accessories

Complete range of indenters, anvils, calibration blocks, software, and replacement parts.

  • • Certified test blocks (HRC, HB, HV)
  • • Diamond indenters (Brale, Vickers)
  • • Spare parts & tool kits
  • • Calibration services available

Why Choose Lailuote?

With over 15 years of experience and a team of seasoned engineers, we deliver unmatched quality, service, and innovation in materials testing instrumentation.

Industry Expertise

Team with over 40 years of combined experience in hardness testing and metallography.

Certified Quality

Products meet international standards including ASTM, ISO, and GB.

Global Support

Sales and service available worldwide via phone, email, and online platforms.

OEM/ODM Service

Custom branding and design solutions for distributors and partners.

Contact Us

For inquiries, quotes, or technical support, visit our official website to get in touch with our team.

Phone & WhatsApp

+86-0535-2467775

WhatsApp: 8615314473862

Email

[email protected]

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