Toptek PCB builds in 2007 with 300 workers, it is a factory with whole fabrication processes. Over 60% of employees have more than 3 years of working experience in Toptek. That's ensured the quality and service are on high-level. ★ What advantage is for Toptek PCB High Multi-layers, HDI, Special material PCB are the most key product in Toptek which small factory doesn’t with this technology but big factory doesn’t with good price and service. +15 years of experience working with engineers, could offer you the best solution on PCB fabrication and PCB cost. Toptek pays key attention on Help you develop and win more market share on your side. 1. The biggest feature of services is on-time delivery, the rate is almost 100%, the fast turn PCB services included. 2. Wide-range boards: Rigid PCB 1 to 30 layers with Buried-blind holes and Impedance control. 3. Material range: FR-4 (TG130-180), Aluminum Based, Halogen-free, Rogers, Flexible and Rigid board. (Focus on rigid PCBs and Aluminum PCBs) 4. Technology Capability: Min. 3mil/3mil Trace/space; Heavy Copper thickness: Outer layers: 0.5-12 oz and Max finished copper thickness 12 - 20 oz is achievable; Inner layers: 0.5 - 15 oz; 4 oz hole copper; 4 mils Smallest Drill Size etc...