Ningbo Tan Suo Machinery Manufacturing Co., Ltd. was founded in 1988, after 18 years of efforts, has become a professional design and production of conveying machinery and equipment enterprises. The company's products are mainly used in coal ports, power stations, mines, grain and other fields, and have been supported and praised by the majority of users, and have achieved good economic and social benefits. In 1999, it passed the GB/T19001-2000: ISO9001-2000 international certification, in 2004, it passed the occupational health and safety management system (in line with GB/T28001-2001 standard), in 2005, it passed the European certification, and in 2006, it passed the safety certificate of coal mine products.