... customized design 3. ISO 9001:2000 quality plastic cover for lamp, with Customized design, OEM servicesOur Service:1. Design & Prototyping: From ... ,DIN-1,S130, 2344,738H,718,8407,S136,NAK80,P20,KD-61,NIMAX ect ;3Hardness of the steel : 20-60HRC ;4Cavity ...