Sunjay Technologies Pvt. Ltd. Offers Single Channel DNA Syringes. Sunjay Technologies Pvt. Ltd. Offers various types instruments for research and analytical industries; biotech and pharmaceutical industries. The Single Channel DNA Syringes comes in 3 models with 10 µL volume. The syringes are applicable for 0.2 mm, 0.3 mm, 0.4 mm or thicker gel casting plates.