Double Eagle Airsoft released a video before the end of 2024 to show what the company does... "Double Eagle aka Double Eagle airsoft, has been committed to the research and development of airguns for decades and is renowned worldwide for its excellent quality.

We have a relatively complete R&D force in product design, mold manufacturing, Electronic circuit design, content creation, etc. 
The company has its own mold development center, all equipment is advanced digital imported equipment, and an average of at least one set of molds can be produced every day.

Double Eagle has implemented professional and strict process control management from product development, incoming material inspection, process inspection to quality assurance."