Shenzhen DaLang opto-electronic co., Ltd is specialized to LED optoelectronic product research, development, manufacturing, sales, engineering and service. Companies adhere to the principle of "energy saving", in order to achieve the goal of making “better, bigger and stronger”, give full play to the company's existing market, technology, talent, capital, management, and the collection effect of intangible assets and other advantage resources, using a variety of marketing methods of traditional and modern, str ling to expand the market at home and abroad, for international climate environment improvement, for the country to perform a decade of energy saving carbon reduction commitment, to create green, livable and harmonious social environment to make more contribution!