... 3. Certificate: ISO9001:2008 4. High quality Basic Home&Office Telephone Set Parts and Functions Model 1 Mould Base Standard : LKM Brand, Hasco ... ,8407,S136,NAK80,P20,KD-61,NIMAX ect ;3 Hardness of the steel : 20-60HRC ;4 Cavity Qty : Single-cavity / Multi- ... in the research and development of plastics moulds, die-cast mold, as well as molding products, rapid prototype and assembly of finished parts . ...