... (%):≥50 Hardness:≤187HB;≤90HRB;≤200HV Company Brach: Luen Tai Special Metal Industria LimitedTel:00852-27812200Fax: 00852-27812260Address:5th Floor,Haojing Business ... ,Garden Street , Mong Kok, Kowloon ,Hongkong. Jiangsu Kunshan Jinlichang Special Metal CO.,LtdTel:0086 0512 57277382Fax:0086 0512 57277390Address:Shipu Zhongjie ...