Shanghai Rong Liang Industrial Automation Technology Co., Ltd. is a professional and innovative company which focus on researching and development, producrion of LED lighting technology and industial automation technology, Rong Liang and universtiy & research institutes develop commonly to innovate LED filament bulb products, with independent intellectual property rights, also declare the 13 national patents. The Company own R & D manufacturing high-precision, fully automated production equipment LED lamp filament, which fill the gaps in domestic production equiment. Rong Liang develop innovative production process, the entire batch of product testing system to ensure high quality and stability of product.