The Double Frequency Quenching Machine
In order to ensure product quality, the mill rolls provided by Yelong are all from the beginning of the ingredients, through smelting, LF/VD, ingot casting, electroslag remelting, forging, post-forging heat treatment, rough machining, preparatory heat treatment, semi-finishing, induction quenching, sub-zero treatment, tempering, finish machining, packaging and other processes.
B1207-1208 Fengji Bldg, Zhonghua Road, Xingtai,Hebei, China 054000
B402-1078 Government Office Bldg, Shicheng Town, Miyun District, Beijing, China
B3318 Wanda Plaza, No.33 Lianyungang Road, Qingdao, Shandong, China 266034