Changshu LongTeng Special Steel Co., Ltd. was established in 1993. As a return to the supports and attention of both home and abroad customers, as well as all sections of society, the employees of the company has, developing the enterprise spirits of “good faith, devotion, and attempt to creating a famous brand”, grasped the developing opportunities of market economy through business-establishing course more than one decade. Till now, the company has possessed three major series of products, i.e. hot rolled flat-bulb steels for vessels, hot rolled steel balls, and pipe-staked accessories, and enjoyed an annual output of 650,000t. During the process implementing technical progress and development of new products with great efforts, the company has already formed unique technologies and product advantages. Hereinto, the products of three major series, i.e. hot rolled flat-bulb steels for vessels, hot rolled bearing steel rolling element blanks, and steel bars for high-strength prestress concrete (PC steel bars) have possessed their respective domestic production base in the company