About MTS
Our History
Dr. Kritcharat Hirunyasiri saw the vast potential, craftsmanship and ingenuity of Mae Thong Suk (later changed to MTS GOLD for international recognition) which he empowered across the world, making it the most sought after and leading bullion brand.
MTS Refinery & Manufactured, under the stewardship of MTS GOLD group, strives to deliver the finest gold bullion and jewelry in Thailand. Over the last 60 years, the organization is proud to provide high quality product and services exceed the expectations of our customers while applying irreproachable ethic principles and promoting sustainable practices all along our activity.
The original gold shop was operated by the name “Ngor Yong Hong” located in the capital city of Thonburi

In 1996 Dr. Kritcharat Hirunyasiri founded Mae Thong Suk in Bangkok. From there he established a close relationship with MTS brand with the symbolic logo of “Golden Tiered” wholesaling jewelry and bullion for every gold shop in Thailand.
Fueled by strong demand, MTS has grown exponentially over the years. The organization turn from family business of gold shop to number one exporter and importer of gold and silver ingot. MTS extended from being trader of precious metal into local refiner and fabricator.
Founded brokerage firm under the guidance of Stock Exchange of Thailand.
MTS upgraded big time from small factory to state of the art factory called “MTS
REFINERY and MANUFACTURING CO., LTD. “(MTSRM). Dr. Kritcharat passed on the knowledge and skillset to his successors. As they enter a new era, teams have further united to bring together their expertise in sourcing, supplying, refining, trading precious metal products among other services. MKS PAMP’s global reach, vertical integration and market specialization enable it to service its clients with unparalleled market-flow information.
Products marked with MTS Gold name are backed by the quality standards thay the brand represents. Our legacy products can hand pass through timr


Awarded the best SME award in 2020 under the new successor of Mr. Keeradit Hirunyasiri. MTSRM has become a true industry leader in gold fabricator and refiners.
Since its inception, the MTS Gold brand has established itself as an industry leader with sustainability integrated into its corporate strategy.
MTSRM has been certified for environmentally friendly sustainability standards as follows:
- Certified for 4 products of the Carbon Footprint Mark of Tongtaeng
- Certified for 4 products of the Carbon Footprint Mark of Circular Economy Products
- Certified for the Organization Carbon Footprint Mark
- Certified for Green Industry Level 4 (Green Culture)
The company will continuously develop for sustainability and upgrade the gold production industry to reach Net Zero.