Permanence company launched the "hint of blue series combination mattress." Products can be disassembled open architecture, which addresses the transportation problem, letting selected material at a glance, to dispel consumers' environmental and quality questioned. After years of improvement last forever, and finally solve the two problems spring mattress: First, the weight of the mattress due to large bulky and difficult to handle, especially in the upstairs process, not put into an elevator, only stairs into artificial handling, in the handling process, due to limited space, most likely will scratch the mattress. Secondly, in the production process, the mattress is divided into two parts: First, the core spring liner. Las Tis spring interior has a round spring, bag springs and other structures. Round spring bag spring and have partition structure of production, such as the five districts, seven districts, nine zones based on ergonomics, conventional mattresses do not see the internal structure, the customer can only listen to staff briefing and instructions to understand; the second is functional material. Hint of blue mattress uses a combination of many functional materials, such as skim wool, soybean fiber, bamboo fiber, latex, cotton, cotton etc. space, allowing customers at a glance, and thus dispel the customer the heart of the material is not environmentally friendly, quality is not reliable The "haze."