Zhengzhou Greatwall Scientific Industrial and Trade Co., Ltd. is a comprehensive company integrating research, development, production operation together. Since our establishment in April, 1988, has developed teaching instruments equipment including water circulating type ...

Our items are designed by the most creatives and revolucionaries designers in brazil.Introduced to market 2001 with our ceiling fan model 201. It had immediate success achieving among other importants awards if design 2002, hannover, germany. Since them we have won many for innovation, ...