Hi  friend. Are u interested in our  Rapid Prototyping & Molding Manufacturing &OEM service ?   1.PowStar factory have more 15-years -history  in  China. 2.the tolerance of Our technology is  +-0.01  . 3.we have technologies that use CNC Prototype machining, SLA rapid laser molding, SLS rapid prototyping.   4.After received your  3D－drawing ,we’ll give u a quot in 2 hours.     SHENZHEN POWSTAR TECHNOLOGY CO.,LTD ; Skype:  powstar01 Tel: 0086-13689578445. Roger