incessancy

noun [具体名词]持续不断；频繁性

My factory can the incessancy carry on the product development, provides for the customer novel creativity and the richly colorful design, obtains the new old customer high praise.
我的工厂能够持续不断地进行产品开发，为客户提供新颖的创意和丰富多彩的设计，从而获得了众多老客户的高度赞誉。