Tianjin Zhan Zhi Investment Corporation Limited founded in 2008. It is a branch of Shanghai Zhanzhi Industry Group Co.,Ltd., it is founded in early 1990s,located in Shanghai Yangpu District, is a large-scale comprehensive enterprise group, combining steel trade, processing and distribution of steel, steel raw materials, real estate development, financial investment and other industries. The registered capital is 200 million RMB.
Annealing is a small diameter seamless steel heated to a certain temperature and keep heat for some time, and then make it cool slowly. Annealing both to eliminate defects and improve the organization and internal stress left before the procedure, but also to prepare for the follow-up process, it is part of semi-finished annealing heat treatment, also known as pre-heat treatment.
Our website: www.inductionheating.com.cn