The main product is weights.
National Standard Weights

Equipped with advanced production equipment and high-precision testing instruments.

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Integrity, Innovation, Service
National Standard Weights

Achieving alignment with international markets and enabling Chinese weights to go global.

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Approved after expert appraisal
National Standard Weights

Through the joint efforts of leaders at all levels and all employees, it has continuously grown and prospered.

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ABOUT US

Penglai City Metrological Instrument Components Factory

Let China’s weight go global...

Penglai City Metrology Instruments and Components Factory was founded in 1984. Its primary product is weights, for which a trademark has been registered. In 2014, the “Guojian” trademark was recognized as a Well-Known Trademark of Shandong Province. The factory is equipped with state-of-the-art production equipment and high-precision testing instruments, and its products enjoy an excellent reputation both domestically and internationally. Notably, the factory, in collaboration with research institutions such as the National Institute of Metrology, China, and the National Iron and Steel Research Institute under the Ministry of Metallurgy... ...

Introduction to Measuring Instruments
Introduction to Measuring Instruments
1984 year

The company was founded in

1991 year

E2-class weights have been certified.

2014 year

Famous Trademark of Shandong Province

600 Ten thousand

Registered capital of the company

Product Center

Our factory is equipped with state-of-the-art production equipment and high-precision testing instruments, and our products enjoy a strong reputation both domestically and internationally.

Application Fields

Metrological Testing and Measurement Value Transfer

Metrological Testing and Measurement Value Transfer

Standard Quality Traceability and Instrument Verification at Metrology Institutes at All Levels and Third-Party Calibration Laboratories
Industrial Manufacturing and Weighing Instrument Calibration

Industrial Manufacturing and Weighing Instrument Calibration

Factory Calibration and Accuracy Verification of Weighing Instruments, Sensors, Electronic Scales, and Automation Equipment
Enterprise Quality Control

Enterprise Quality Control

In-house calibration for laboratories and workshops in the pharmaceutical, food, chemical, and precision manufacturing industries
Scientific Research Experiments and Precision Measurement

Scientific Research Experiments and Precision Measurement

High-precision analysis and standard-quality testing in universities, research institutes, and key laboratories

Message

Blog

Bringing Weights into the Mall: Safeguarding Your Peace of Mind with Scales


To effectively safeguard consumers’ legitimate rights and interests, severely crack down on metrological fraud, and foster a fair and trustworthy consumer environment, market regulatory authorities in many regions have innovatively launched special metrology supervision initiatives such as “You Suggest, We Inspect” and “Weights Enter Shopping Malls.”


2026-04-17

Weight Usage Experience and Buying Guide


In industrial metrology and laboratory weighing, ring weights are commonly used as standard measuring instruments. As a well-known weight-manufacturing hub in the Jiangsu region, the quality and performance of Wuxi ring weights have attracted considerable attention.


2026-04-17

Current Status and Technical Characteristics of the British Pound Weight Manufacturing Industry


The sterling-weight manufacturing industry is a prime example of the seamless integration of traditional precision manufacturing and modern metrology. Its core competitive advantages lie in century-old, meticulously refined material formulations, state-of-the-art machining processes, a stringent quality management system, and authoritative UKAS accreditation.


2026-04-17

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