What grade does Senh belong to?

Medium grade. He Sen Elevator Co., Ltd. was established on February 7, 2007, ranking 1 19 among the top companies in Shijiazhuang, and winning the 477th place in the top 500 manufacturing enterprises in China in 2005, which is of medium grade as a whole. The company covers an area of147,600 square meters, with a total construction area of170,000 square meters. It has a product manufacturing center, a research and development design center, a customer service center, and a test tower with a height of 108 meters and an elevator running speed of 8 meters per second. World-class production and testing equipment has been introduced from Germany, Italy and other countries, with an annual output of 40,000 sets.