About Us

Filter King Limited (Filter King)

Filter King endeavors to create the best environmental friendly energy equipment and to improve our living environment with nanofiber applications.

Filter King works with Nano and Advanced Materials Institute (NAMI), to jointly research and develop the air sterilizing nanofiber filters using nano-technology.

Filter King is a company which produces nanofibers on a large scale using electrospinning technology. With the advanced technology, Filter King produces the best-quality nanofiber air filtration products, such as window screens, filters for air equipments, air sterilizing purifiers and so on.


The Nano and Advanced Materials Institute Limited (NAMI)

As a Materials Expert, Nano and Advanced Materials Institute (NAMI) has a strong portfolio of innovative technologies to support and collaborate with the industry, offering frontier-applied research on advanced materials as well as technology transfer for commercialization success.

NAMI, incorporated in 2006, is designated by the Innovation and Technology Commission of the Hong Kong Government as a Research and Development Center for nanotechnology and advanced materials. NAMI undertakes and provides support for market-driven research in nanotechnology and advanced materials, and strives for commercialization of the technologies to benefit the industry and the society at large, as well as re-industrialization to promote the economic growth and sustainability of Hong Kong.

SRJJ Limited

SRJJ Limited|’s orientation is to be a professional provider of big health products and services with functional materials. SRJJ devotes herself in providing safe, health and eco-friendly customized solutions with functional, eco-friendly and water-soluble packaging materials. SRJJ has innovative patent and know how in the development and manufacturing of the functional biodegradable new materials and water soluble packaging. The new materials have been widely used in the medical & healthcare, industrial, agricultural and daily consumer goods, etc.