Product descriptions from the supplier Customized Toy Aircraft PCBA:Remote Control Transmitter and Receiver Integrated Circuit Board PCBA Assembly Toy Aircraft PCB Parts Motherboard Customizable Layers: Supports 1-18 layers for flexible circuit designs. Material Options: Offers various materials including fr4, cem-3, cem-1, and more. Surface Treatment: Available in HASL, ENIG, OSP, and other finishes. High-End Capabilities: Processes up to 4,000,000 SMT points daily. ODM/OEM