The advantage of flat welding hot rolled flange compared with traditional process:
1\Hot rolling and hot coil at one time, stable quality
2\Multi-turn coil, fast speed, high efficiency
3\High process precision, good flatness, high yield
4\Solve the problem about line segments of head and tail, save 24% raw materials compared with the traditional process
5\ Production of per ton of flanges save 60% coal and 40% electricity
6\Specification can be adjusted according to customer's requests
Flange production process:
1\blanking
2\heat
3\Forging cutting
4\Hot roll forming
5\Cut round flatten
6\Blank welding
7\edge milling
8\High water line
9\drill
10\Grind the evelet
Packing:
Iron Pallet or Wooden case
It's our sincere wish that we will have the privilege of serving you soon.
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.
