Epoxy Materials In 1994, GEL has been appointed to be a sole distributor and applicator of various high quality epoxy material of SHO-BOND products to serve the construction and maintenance of public infrastructures of existing and new construction structures such as highways, expressway, tunnel, railroad etc. GEL has the exclusive rights to SHO-BOND technology products in Thailand of epoxy materials from Japan and Singapore. Today, SHO-BOND is one of the world leader in concrete protection repair technology, maintenance, reinforced and strengthening of concrete structure such as bridges, highways and building, SHO-BOND has also developed various flooring hardener systems suitable for use in clubhouse, golf course, school, hospital, warehouse etc.