... SikaBlock), PF(bakelite), PTFE(teflon) and PEI(Ultem).Our selection of Engineering Alloys include: Aluminum, Magnesium, Zinc, and Brass.Advantage:1 ... our clients.2. We do not sell ready-made mould, our mould is made for our product only3. Quotation available after discussion ... clients tell about the process. Factory image: Equipment: PRODUCT: coloration of casting transparence prototype made in China