DNA synthesizers, Biotech Instruments, ABI 3900 Parts and Service, 3900 Rebuild, GeneForge 3900, Coliseum Synthesizer and Deprotection Module are just some of the products and services available through GeneForge. Geneforge engineers, manufactures, sells and services the most reliable, highest throughput, most efficient and most flexible DNA/RNA and gene synthesis instruments commercially available throughout the world. GeneForge – The exclusive manufacturer of the 3900 synthesizer!