Rp Prototype Limited is a Western owned and managed factory based in Southern China specializing Rp Prototype Limited is a full service Western owned rapid<br /> prototyping factory based in Shenzhen city in<br /> Southern China specialising in prototyping and<br /> short run production. Our services include CNC<br /> machining, Vacuum casting and silicone tooling as<br /> well as SLA and SLS additive prototyping.in Rapid Prototyping and short run production. Our services include CNC machining, Vacuum casting and silicone tooling as well as SLA and SLS additive prototyping.