dnjo Technology was established in Taoyuan, Taiwan in 2009. It is engaged in customized design, research and development, manufacturing, sales, cleaning OEM, and automation equipment development of LED, semiconductor, and optoelectronic related vehicles and equipment.

dnjo Technology is a professional cleaning plant that complies with the circular economy and promotes recycling of recycled materials. It was awarded and commended by the Environmental Protection Agency of the Executive Yuan. It manufactures wafer carriers, uses them, recycles them, cleans them and reuse them, and has ISO 9001 and ISO 14001 double quality assurance.