Seven Mechanical And Electrical Technology (Shanghai) Co., Ltd. is one of the largest exporters of grinders, metal detectors, gradienters and high-quality seals in China. Integrating research, development, production and sales processes, we continually develop new products with the support of our excellent design and R&D teams. At present, we are engaged in producing grinders, metal detectors, gradienters, high-quality seals, and vertical detectors. In order to maintain our position at the forefront of our industry, we have imported advanced equipment and expanded our production scale. With excellent designers, experienced technicians and strict supervisors working together, we can bring new and high-class products to our clients all the time. We are always looking forward to expanding our customer base. If you are interested in any of our products, please do not hesitate to contact us.