Flange(carbon steel and Q235B)
Chang Tong Technology Co., Ltd, which is a professional manufacturer can offer variety of flange and pipe fittings. Our products refer to ANSI, DIN, JIS, GOST-12820, EN1092-1, SABS1123, BS4504 etc. They are exported all over the world. Depend on more than ten years export experience, we can offer the most competitive price and highest quality for our customers all over the world because we are factory. In the other side, we can deal with the international business freely because we have a experience team in international department. They can offer the best service for our customers.
Carbon steel flange's advantages:
1. Good mechanical properties;
2. High tensile strength;
3. Well-closed formation;
4. Comparative price;
5. High-quality production;
6. Customized services, manufacturing according to your specific requirements.
Chang Tong Technology Co., Ltd. Established in September 2003, is situated in Industrial Demonstration Park of Gongyi, Zhengzhou city. The company mainly produces automobile leaf spring, various specification spring flat steel, brake valve, flange (blank) and pipeline flange (blank).
The company prides itself on its advanced techniques, excellent equipment, scientific management and powerful technology. The quality of its products has passed the standards of QCn29035-91 and GB1222-84, and has been attested by the international quality system ISO9001: 2000. It has established a set of systematical sales network, and set up many branch companies in dozens of cities all over the country, such as Zhengzhou, Chengdu, Liuzhou, Guiyang, Zunyi, Shuicheng, Xi'an, Xining, Changsha, Yinchuan, Jishou, Ge'emu, as well as the Inner Mongolia Autonomous Region. Its products sell well nationwide throughout the country and exported to many countries and regions, for instance, Southeastern Asia, DPRK and India, and enjoy great popularity among the customers.
