3DKNIGHT Limited, is Hong Kong owned company, with own development, creative, design production and sales. Also the earliest environmental protection material involved in the industry and expanding thru export and local sales. Natural material including bamboo, wood, seashell, cement, marble and kevlar, providing the light weight, slim, protective and recycled product such as iphone, ipad, bluetooth speaker, power bank,watch and some other custom made product.3DKNIGHT was the first to implement military technology in commercial product.