For transport equipment to be on point it takes, durable make, highest quality raw material and design that caters to smooth functionality. Lertthana Gems & Jewelry excel in jewelry color stone diamond industry as most renowned Manufacturer and Retailer of jewelry color stone diamond. Thanks to our top of the line manufacturing facility that never compromises on quality leading to Brazil,Canada,China,Hong Kong,Japan,Pakistan export market share. Our product line is specifically designed to cater railway construction projects with quality material that ensures safety and commits to years of service. Lertthana Gems & Jewelry Private Owner was first introduced back in 2001 under Agency, based on Below US$1 Million as initial capital. In later days, we soon captured a huge proportion of consumer base which led to US$1 Million - US$2.5 Million of export value. In our 19 Years of export history we scored an utmost satisfied clientele with manufacturing and delivering top notch [keywords] products from BANGKOK, , Thailand.