About MTS

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.

Our History


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.

Above and Beyond

Founded brokerage firm under the guidance of Stock Exchange of Thailand.

International Standard

asdfsdfaThe MTS product brand – hallmarks and bars, is an integral part of MKS PAMP product offering and remains the highest symbol of quality and Thai Excellence.

Big Dreams

Since its inception, the MTS Gold brand has established itself as an industry leader with sustainability integrated into its corporate strategy.


The original gold shop was operated by the name “Ngor Yong Hong” located in the capital city of Thonburi

Going Global

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.

A New Era

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.

Small Wins

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.