สถานที่กำเนิด
Shandong, China
ชนิด
ฤดูใบไม้ผลิเหล็ก Strip
Product Name
SK5 SK7 65Mn Spring Steel Strip
Packing
Standard Seaworthy Packing
Surface treatment
Polishing
Technique
Heating+annealing+normalizing+quenching+cooling
Certificate
ISO9001:2008/SGS/BV
Heat Treatment
Quenching+Tempering
Surface
Bare,blue,grey ,yellow,etc