91污在线观看一区二区三区,H精品动漫无码一区二区亚洲AV,露脸内射熟女--69XX,欧美人与性口牲恔配视频o

The combination of paper and pen has always been regarded as the quickest and simplest way to write information, but with the development of science and technology, people have begun to look for better carriers of writing. Good writing technology is committed to flexible LCD writing technology research and development, has realized paperless pen-less writing, with technology to extend the future of paper.

The highlight of the handwriting board is the use of low-power flexible liquid crystal technology, not only low power consumption, large viewing angle, do not need polarizers, rely on external light can present perfect writing notes, high writing accuracy and sensitivity can rival the effect of hard-pen writing.

The product is made of non-toxic plastic adhesive, wear-resistant, safe and environmental protection, can be widely used in student-assisted learning, paperless office, business memorandum and other fields.

Howshow Technology is the earliest and largest manufacturer in China engaged in LCD writing film, and its products have the highest reputation in China. Welcome to our company for guidance.