LED Displays Market Research (China, Taiwan & South Korea)

I need someone from China to get me a list of Top 5 manufacturing companies in the following categories that supply to the hundreds of Indoor/Outdoor LED display companies within China, Taiwan or South Korea: - LED chip suppliers (companies that make and supply the LED bulbs of type DIP & SMD to these displays companies) - Plastic injection mold design services (companies that design the LED module mold) - Plastic injection molding (companies that make the LED module mold) - Sheet metal fabrication of LED cabinets (companies that make the steel & aluminum enclosure for the LED cabinets) - PCB manufacturers (companies that make the PCB for the LED module) - Weather proof connectors (companies that make or supply the weather proof power & data connectors for LED cabinets) You can message me with your expertise or questions for further clarification. Happy bidding!