approved by ISO9001. timely delivery Professional manufacture provide Mold Test ,product design, mold design 1. High quality products, the best and most cost effective tooling2. Providing technical instructions, product design, mold design, Mold test3. Material: 3Cr17 MADE IN CHINA , HARDNESS : HRC28-304. Almost 30 years producing experience, certified by ISO9001.5. With more than 30 junior and ...