技术需求：       贝壳背景墙，贝壳产品取材于纯天然的淡水和海洋生物贝类外壳，通过国内领先的生产工艺，在生产过程中避免了产品的人为污染，产品质量一直处于国内领先地位。 
 
       The seashell products of our corporation are  made from the shell of the shellfish  in  natural fresh water and sea. By applying a cutting edge technology of China into the producing procedure, we successfully protect our products from any man-made contamination;thus contributing to the leading quality assurance of all products.