Longyou Youjing Quartz Technology Co., Ltd.

Class 021: Fiberglass, other than for insulation or textile use; Unwrought glass; Semi-worked glass, except building glass; Glass pipes, not for building and not for scientific purposes; Glass tubes not for scientific purposes; Glass fibers for reinforcing plastics; Unworked or semi-worked glass, not for building; Glass fibers for non-textile purposes; Ornaments of glass; Decorative glass, not for building

Class 022: Fiberfill; Chemical fibers for textile use; Raw textile fibers; Semi-synthetic fibers for textile use; Synthetic fibres for textile use; Vitreous silica fibers for textile use; Padding materials, not of rubber, plastics, paper or cardboard; Textile fibres; Carbon fibers for textile use; Glass fibers for textile use

Class 001: Silicon carbide for use as a raw material in the manufacture of other goods; Silicates; Sulfides; Crystalline silicon; Silicon carbide for industrial purposes; Mold-release compounds for use in the fiberglass industry; Organosilanes; Silicon; Silicon dioxide; Sodium silicate

Class 009: Optical lenses; Fiber optics; Junction sleeves for fibre optics; Optical fiber cables; Silicon wafers; Solar wafers; Wafers for integrated circuits; Semiconductor wafers; Polycrystalline silicon photovoltaic cells; Monocrystalline silicon photovoltaic cells

Class 019: Stones; Building sand; Quartz for building; Granite; Stone for building and construction; Silica stone; Non-metallic minerals for building or construction; Natural stone; Glass for building; Quartz