... hardness, abrasion resistance, corrosion-resistant. Strong toughness.. Mould Component Material: any appointed material is welcome. Hardness: HRC58°~60 Tolerance: ... faith,customer first,,quality assurance,reliable service.Contact information:Yukai Precision Mould Co., Ltd Marketing Dept. Tel : 0769-8779-3530; ... Village, Zhangmutou Town, Dongguan City, Guangdong Province, China Mould Component