It is the oldest of its kind in China 1,000 staffs an area of 60,000 m², a national grade II large scale enterprise and a grade II enterprise in terms of measuring system. It has been classified in 100 largest enterprises of metal production in China, as well as 50 largest industrial enterprises of Tianjin, and one handed largest enterprises of Tianjin. It is also awarded the title of "Contact-Honoring & Promise keeping Unit" by Tianjin government in the past years. In 1994, we adopted the complete adverted shot blasting equipment from Canada. In 1995, we imported two sets of PC steel bars production lines from iron under the help of these imported equipment our products all read the highest interaction standards.