Parus Co., Ltd was founded in Seoul, Korea in 1992 and set up its LED grow lighting factory in Shanghai, China in 2005. We hold patented technology in making Grow lighting. The patent was registered in Korea. Our grow lighting is totally different from what you can buy from elsewhere. Our experts spent years doing tests in our own greenhouse test center and found the most effective wavelength and the formula of light colors.   (Please see the details in our catalogue) You will find the amazing acceleration of plant growth by using our grow lights as most of our customers do.