About OTOP TRACE
(Geographical Indications, GI) of Thai Community Enterprises that use raw materials originating in Thailand. It can also penetrate customers who like to produce products by hand. The costs of using the system and the cost of raw materials that do not affect competitiveness. The researchers used barcode technology to help. Because it is a technology that is sufficiently capable of retrieving information. And the investment in both labor and technology is not very high. It can also be applied to the universal (GS1) code.