all swf components are manufactured according to the most stringent quality standards and thoroughly tested. no detail has slipped our attention and the components are preassembled. installation is thus made easy and you ......all swf components are manufactured according to the most stringent quality standards and thoroughly tested. no detail has slipped our attention and the components are preassembled. installation is thus made easy and you can rest assured that everything works as it should. swf offers customised solutions based on standardised components. the crane kits can be supplied either with the nova electric wire rope hoist or the sk series electric chain hoist.