In today's medical developing rapidly took off, the fine qualities of the medical equipment also represents the medical security of the city. Shanghai as an international metropolis is finished in the lead, wei line operation shadowless lamp, hydraulic table, the table of department of gynaecology, electric operation table, reputation in the industry is also a world-famous crane tower, its quality than other companies' products is leading the way. Surgeons need when brightness is 100000 lux, this is equivalent to the brightness of the midday sun, white lines each not the largest single lamp can produce 150000 lux brightness, because most of the light is absorbed in the operation environment and not be reflected, and both can be stepless adjustment, under the combination of several single lamp flexible, powerful guarantee for the desired brightness without any difficulty. Besides wei line shadowless lamp series products adopt the spare bulb, is equipped with independent switch mechanism that immediately automatically open problems of the main bulb spare bulbs, so absolutely safe and reliable to provide full illumination.