Chongqing Wanwei Instruments provides metallographic sample grinding and polishing machines that meet the national standards, covering manual, semi-automatic and full-automatic models, supporting the integrated sample preparation of coarse grinding and wet grinding, with stable operation and accurate speed regulation, and meeting the needs of metallographic mirror sample preparation in university experiments, industrial quality inspection and new material research and development.

Chongqing Wanwei Instrument provides national standard compliant metallographic specimen mounting machines, including manual, automatic single-head and automatic double-head models. The equipment realizes standardized mounting for thin, brittle and irregular specimens with stable operation and high precision, widely applied in laboratory sample preparation, industrial material inspection and new material scientific research.

Chongqing Wanwei Instrument specializes in the R&D and production of metallographic specimen cutting machines. We provide manual, semi-automatic and fully automatic metallographic cutting equipment for precise and lossless cutting of metal, ceramic, ore and other materials. With national standard parameters, safe and efficient performance, our equipment is suitable for laboratory metallographic sample preparation, industrial quality inspection and material R&D scenarios.

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Chongqing Wanwei Instruments provides one-stop supporting service of precision laboratory testing instruments, covering dimensional optical measurement, mechanical property testing, environmental reliability testing and full-range metallographic & hardness equipment. Avoid coordinating with multiple suppliers; enjoy unified after-sales service and on-site maintenance. We serve mold, electronics, auto parts industries and research laboratories, and undertake overall supporting schemes for complete laboratory instruments.

Chongqing Wanwei Gantry-Type 3D Composite Vision Measuring Machine integrates vision, contact probe and laser 3D measurement. Built with Grade 00 granite base, it delivers high precision and large travel range, supports non-standard customization. Ideal for automatic 2D/3D quality inspection of large molds, auto parts and aerospace precision components.

Chongqing Wanwei WV Series CNC automatic vision measuring machine delivers high-precision non-contact inspection. It supports 2D planar dimension, 3D height and geometric tolerance measurement for mass quality inspection of hardware molds, electronic components, plastic parts and medical devices. Multiple travel models WV3020/4030/5040/6050 available.

Chongqing Wanwei Instruments is a local one-stop source manufacturer of precision testing instruments. We supply coordinate measuring machines, 2D video measuring machines, one-click flash measuring machines, mechanical testing machines, high-low temperature & humidity test equipment. We serve Chongqing factories engaged in 3C electronics, precision stamping, auto parts and plastic die-cutting. Customized instruments, on-site training, lifelong maintenance and free sample testing are available.

How do precision manufacturers distinguish manual 2D, automatic 2D, gantry-type 2D and coordinate measuring machines for quality inspection? Chongqing Wanwei Instruments explains the differences, functions and applicable scenarios of 2D, 2.5D vision measuring machines and CMMs, helping factories select vision inspection equipment according to actual demands.

Built upon 2D measurement capability, Chongqing Wanwei 2.5D video measuring instrument delivers Z‑axis height‑measurement performance. It supports multiple configurations including video focusing height measurement, point/line laser non‑contact height measurement, micrometer probe and Renishaw probe. This article elaborates on applicable workpieces, accuracy and target industries for each height‑measurement method, addressing inspection challenges of workpiece step height, counterbore depth, thickness and height difference.

Specializing in the R&D and manufacturing of precision testing instruments, Chongqing Wanwei Instrument supplies flash measuring instruments, coordinate measuring machines, spectrometers, environmental test equipment, mechanical testing machines, metallographic equipment and other testing instruments. We support non-standard customization, deliver full-cycle one-stop testing services and third-party testing, and provide professional quality inspection solutions for industrial enterprises.

This article introduces the measurable workpiece types, 2D dimensional parameters and defect detection range of flash measuring instruments. It covers application scenarios in 3C electronics, automotive parts, precision molds and other industries, suitable for batch inspection and precision sampling of various complex precision workpieces.

Learn about the service life of formal flash measuring instruments and standard daily maintenance methods. Get guidance on cleaning, environmental requirements, operation specifications and regular precision calibration to stabilize measurement accuracy and extend equipment service life.

This article elaborates on the core functions of the flash measuring instrument light source system, and introduces the applicable workpieces for annular top light, parallel bottom backlight and zoned adjustable light source. It provides matching solutions for opaque, transparent and special-shaped complex workpieces to solve measurement problems such as workpiece light reflection, light transmission and blurry edges.

This article summarizes the four core causes of common measurement errors of flash measuring instruments, including workpiece, environment, parameter setting and equipment calibration problems. It provides professional error troubleshooting skills, calibration methods and daily maintenance tips to help solve measurement data deviation problems of flash measuring instruments quickly.