Shanghai Rang Ultrasonic Equipment Co., Ltd. is located in Shanghai, the economic center of China. We specialize in R&D and production for powder sieving equipment, vacuum conveyor and offer integrated automation solutions. We are the one high-tech enterprise for ultrasonic technology in China, integrates R&D, production, marketing and service. We dedicate ourselves to fine sieving technology with strong R&D team and reliable technical support. Ruang has become a technical leader in this industry and gained pretty high reputation among clients both home and abroad.Ever since Ruang established, we have been strictly obeyed the standard of ISO9001 and done our best in promoting innovation and creating a top-ranking brand. We regard the production as the foundation and the market as the guide, adheres to the enterprise spirit of “pragmatism, development and innovation”.