Thai Quartz Stone is a leading manufacturer of high-quality engineered stone, ideal for a wide range of
applications including kitchen countertops, bathroom vanities, and island countertops ,with a particular
focus on super jumbo slabs measuring 138” x 79”
TQS was established in August 2021 as part of the Siam Frit Group, a company with over 40 years of
industrial expertise in Thailand. Our mission is to become the most trusted quartz surface brand in the
country. Proudly owned and manufactured in the Kingdom of Thailand
180
+
Employee Number (at Dec. 2025)
40
%
Up to 40% larger than
jumbo size
1.
5
X
more than 1.5X
higher outturn rate
2021
ESTABLISHED IN
100
%
Proudy 100% made in thailand
for the world
Polishing
Full set Keda polishing machine with totally 56 heads.
Mould
CNC machine for developing the new pattern.
Recirculating Water Treatment
Polishing recycled water treatment ponds, covering an area of 2,700 square meters, large enough to be visible in satellite images on Google Maps.
Dust Removal
The factory is equipped with 3 sets dust removal systems to improve the working environment.
Power Supply
The transformers, with capacities of 1,500 KVA and 2,000 KVA, provide stable power for the factory's operations.
Dust Removal
The factory is equipped with 3 sets dust removal systems to improve the working environment.
Power Supply
The transformers, with capacities of 1,500 KVA and 2,000 KVA, provide stable power for the factory's operations.
Factory Gallery
Our Certificates
01
Thai Quartz Stone is a company approved by the Thailand Board of Investment (BOI).
The Board of Investment, established in 1977 under the Office of the Prime Minister, is a
government agency responsible for promoting direct investment in Thailand, both domestic and
foreign. BOI support reflects a strong endorsement of Thai Quartz Stone’s commitment to
innovation, quality manufacturing, and contribution to the Thai economy.
02
NSF International
As complying with NSF/ANSI 51 and all applicable requirements.Products appearing in the NSF
official listing are authorized to bear the NSF mark
