Welcome to the Dongguan Zhenmei Electromechanical Technology Co., Ltd official website!
Specialize in small batches of 50-1000 pieces
24-hour quote / 15-day fast delivery
Founded in 1997
To ensure the quality and stability of our products, we have established a comprehensive management and quality control process from incoming materials to production processes to shipment. Each process is inspected, and we adhere to the following steps for every product:
Incoming Inspection
All materials are tested and recorded before production to ensure material authenticity.
Process Inspection
First Article Inspection (FAI) is conducted for each process during production, and it is confirmed and verified by the engineering and quality department managers.
Incoming Inventory Inspection
100% full inspection of products is conducted before they are put into inventory.
Pre-shipment Inspection
Inspection is conducted again before shipment, and a shipment report is recorded and attached to the shipment.
Inspection Equipment
Regular calibration and labeling of inspection equipment are performed.
To ensure measurement precision, we have also introduced advanced measurement equipment.
Coordinate Measuring Machine (CMM)
A coordinate measuring machine uses the basic coordinates of three-dimensional space and geometric measurement methods, including points, lines, surfaces, circles, spheres, cylinders, cones, etc. It is used to continuously scan complex and precise workpieces to measure dimensions, shapes, positional tolerances, high-precision geometric parts, surface contours, and complex shapes of mechanical components. It is widely used in precision spare parts, precision molds, precision manufacturing, military, aviation, and automotive manufacturing industries.
Spectrometer
A spectrometer can detect the composition of raw materials during the feeding process. It can quickly and accurately measure the proportions of elements and components in materials to meet laboratory requirements and identify the authenticity of materials.
2D Vision Measurement System
A 2D vision measurement system is based on CCD digital imaging technology and relies on powerful software capabilities for computer screen measurement and spatial geometric calculations. It can quickly read the displacement values of optical scales for visual comparison and measurement, allowing operators to quickly and intuitively identify potential measurement deviations. It is generally used for simple hardware parts and prototype models.
Other Inspection Equipment
In addition to the above, we also have various inspection equipment such as height gauges, hardness testers, various internal and external thread gauges, micrometers, calipers, hardness testers, height meters, etc. These are used for quality control system inspections to ensure that the quality of our products meets customer requirements.
ISO Certification
In addition to focusing on customer satisfaction and continuous improvement, we also follow the latest ISO requirements to assess and prevent potential risks before each order production, ensuring product quality and delivery. We regularly conduct follow-ups and customer satisfaction surveys with new and old customers, listen to their feedback, and continuously improve and enhance our team.
List of test equipment

Instrument Name

Description

Range

Resolution

Minimum Scale

Resolution

External Calibration (Yes/No)

Outside Calibration? (Yes/No)

External Calibration Frequency

Outside Calibration Frequency

Instrument Status

Status

Using Department

Division

Vernier Caliper 0-300mm 0.01mm Yes 1 year Normal Quality Department, Production Department
Digital Caliper 0-300mm 0.01mm Yes 1 year Normal Quality Department, Production Department
Vernier Caliper 0-1000mm 0.02mm Yes 1 year Normal Quality Department, Production Department
Digital Inside Micrometer 6-100mm 0.001mm Yes 1 year Normal Quality Department, Production Department
Digital Outside Micrometer 0-100mm 0.001mm Yes 1 year Normal Quality Department, Production Department
Pin Gauge 0.5-12mm 0.01mm No / Normal Quality Department, Production Department
Block Gauge 1-200mm 0.001mm No / Normal Quality Department, Production Department
Thickness Gauge 0.02-1mm 0.01mm No / Normal Quality Department, Production Department
Thread Ring Gauge Metric/Imperial / No / Normal Quality Department, Production Department
Thread Plug Gauge Metric/Imperial / No / Normal Quality Department, Production Department
Digital Depth Gauge 0-200mm 0.001mm Yes 1 year Normal Quality Department, Production Department
Digital Height Gauge 0-50mm 0.001mm Yes 1 year Normal Quality Department, Production Department
Height Gauge 0-500mm / Yes 1 year Normal Quality Department, Production Department
Projector 300*400mm / Yes 1 year Normal Quality Department
Metal Material Spectrometer / / Yes 1 year Normal Quality Department
Hardness Tester / / No / Normal Quality Department
2D Measuring Machine 300*400mm / Yes 1 year Normal Quality Department
CMM (Coordinate Measuring Machine) 300*400mm / Yes 1 year Normal Quality Department
Cleanliness Tester / / Yes 1 year Normal Quality Department
Gauge Name
Measurement Range
Minimum Scale
External Calibration (Yes/No)
External Calibration Frequency
Gauge Status
Department of Use
Vernier caliper Digital caliper Dial caliper Digital inside micrometer Digital outside micrometer Pin gauge Block gauge Thickness gauge Thread ring gauge Thread plug gauge Digital depth gauge Digital height gauge Height gauge Projector Metal material spectrometer Hardness tester 2D measurement system CMM (Coordinate Measuring Machine) Surface roughness tester
0-300mm 0-300mm 0-1000mm 6-100mm 0-100mm 0.5-12mm 1-200mm 0.02-1mm Metric/Imperial Metric/Imperial 0-200mm 0-50mm 0-500mm 300*400mm / / 300*400mm 300*400mm /
0.01mm 0.01mm 0.02mm 0.001mm 0.001mm 0.01mm 0.001mm 0.01mm / / 0.001 0.001 / / / / / / /
Yes Yes Yes Yes Yes No No No No No Yes Yes Yes Yes Yes No Yes Yes Yes
1 year 1 year 1 year 1 year 1 year / / / / / 1 year 1 year 1 year 1 year 1 year / 1 year 1 year 1 year
Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal
Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department, Production Department Quality Department Quality Department Quality Department Quality Department Quality Department Quality Department
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