| 2. | Cooperated with japan guanke international , hangzhou kamshui bio - technology co . , ltd . has researched and developed light bricks for highways and transparent spray membranes which can be used to keep awya uv and heet and keep warm , they are suitable for cars , families , office buildings and large public places 杭州金瑞生物科技有限公司和日本冠科国际集团有限公司共同合作的高科技防紫外线,隔热,保温透明喷膜;公路材料,轻型墙等.它主要适用于汽车,家庭,写字楼等大型公共场所 |