Overview of selected GCTC laboratory equipment: control numbers, names, models, serial numbers and key technical parameters for environmental, mechanical, PV and battery test systems.
On 10 December 2016 the U.S. EPA issued Formaldehyde Emission Standards for Composite Wood Products, the strictest U.S. limits yet, creating a technical barrier for Chinese wood-product exports. CNAS is aligning accreditation with EPA recognition.
SMEs in the Pearl River Delta often juggle separate labs for calibration, repair, testing and trials. A public technical-service platform offers integrated metrology, repair, sales, rental and training.
World Metrology Day (20 May) is a reminder that measurement underpins daily life — from fuel dispensers and blood-pressure meters to market scales. Experts explain common disputes and how to check instruments.
The ten established metrology fields are geometrical (length), thermal, mechanical, electromagnetic, radio, time and frequency, acoustics, optics, chemistry and ionizing radiation.
With tighter market supervision and global trade, product testing and certification is now essential. China has more than 20,000 labs — here is how to choose a professional, accredited third-party laboratory.