e-Sun is the leading manufacturer of Pull Tight Cable Seals. We produce great pull tight cable locks which has excellent temperature stability. Pull tight cable seals are made of metal or metal covered plastic, and with wire. The wire length can be customized according to your requirements. Pull tight security locks are typically applied to trucks, containers, wire baskets, cars, shipping containers, swap bodies, tank containers, fuse boxes, tool boxes, motors, water pumps, transport containers, computer cases, chemical containers, Tanker Valves, Chemical Valves, Gas Valves, Ship Valves, and Milk Tankers.