General Projects: Engineering plastics and synthetic resin manufacturing, Manufacturing of new membrane materials, Rubber product manufacturing, Plastic product manufacturing, Seal manufacturing, Metal surface treatment and heat treatment processing, Metal product repair, Instrument repair, Optical glass manufacturing, Technical glass manufacturing, Glass fiber and product manufacturing, Special ceramic product manufacturing, Graphite and carbon product manufacturing, Import and export of goods, Technology import and export, Import and export agent,Chemical product sales( Does not contain permitted chemical products), Metal cutting services, Metal product research and development, Sales of new ceramic materials。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)