The newly developed "one-shot ESD foam tray" is based on polyphenylene ether (PPE/PPO) and is prepared by supercritical foaming process and ultra-high temperature molding equipment. The entire manufacturing process is safe and environmentally friendly. The effect and resistance value are stable, and at the same time, the product also has good durability such as light weight, abrasion resistance, weather resistance and puncture resistance. It is an environmentally friendly, high-quality ESD foam tray.