QUICK, RELIABLE SERVICE FOR ALL YOUR REFERENCE MATERIAL NEEDS

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GBJ is a long-standing and trusted supplier of high-quality Standards and Certified Reference Materials (CRMs), supporting a wide range of analytical applications. All of our products are certified to ISO 17034 and ISO 17025, ensuring the highest levels of accuracy, traceability, and reliability.
At GBJ, we don’t just supply products — we go the extra mile to ensure you receive exactly what you need, when you need it. Explore our product ranges below to see how we can support your laboratory with confidence.

Our Solutions

Custom Standard

The new cost-effective way to run your lab. With short lead times, our matrix matched Solutions are competitively priced and come ready to use!

Stock Standard

Want next day delivery? Explore our Stock standard range here!

Products We Serve

Acid

ARO Scientific

Environmental CRM’s

ICP Standards

Process Water Consumables

Pump Tubing

Pure Raw Materials

Metallurgical CRMs

Why Choose gbj

Internationally Accepted CRMs from trusted global brands

Accurate, traceable standards for regulated industries

Efficient import, handling & delivery across across the Asia-Pacific Region

Decades of industry expertise & customer support tailored to laboratory needs

Dedicated technical support to help you select the right CRMs and documentation for your laboratory needs

Latest Updates

Why Certified Reference Materials Are Essential...

Environmental testing laboratories face increasing pressure to deliver accurate, traceable, and defensible results. Whether assessing soil contamination, monitoring drinking water quality, or supporting environmental compliance programs, analytical data drives critical decisions that impact public health, agriculture, industry, and the environment....

Why Reliable Air and Emissions Testing,...

Environmental laboratories today face increasing pressure to generate accurate, defensible, and regulation-ready analytical data. From industrial emissions monitoring to contaminated land assessment and radioactive material analysis, laboratories must operate with precision while complying with evolving environmental standards. This growing demand...