Harbin Howell Medical Apparatus and Instruments Co., Ltd (hereinafter referred to as Howell) is a professional manufacture of high-tech operating tables, being a high-tech enterprise engaging in research and development, production and sale of electro-hydraulic operating tables. Howell systematically resolved difficulties of high-end technology to produce hydraulic operating table, broke through the situation that there was no production enterprise for hydraulic operating table in Heilongjiang