They’re the Monsters!

"It took me a lot of time to understand this secret." Bai Shan smiled coldly. "The development of Spirit Snake Venom Blade, the packaging, and part of the production process is indeed done in Sky Pillar Corporation's weapons development center, but when it comes to the parts that are related to injecting highly-polluted, radioactive, and corrosive substances into the weapons, Sky Pillar Corporation send the work out to other people, since it's hard to use automated machines to do the work and the substances used are very harmful to the workers. 

"Naturally, Sky Pillar Corporation would not deliver these highly dangerous parts to Leprosy Village's illegal workshops directly. 

"What they usually do is choose a forgery located outside. It has to have perfect facilities and a relatively good working environment. 

"Then, this forgery will send a deal to the gangs in the lair. Those deals will then end up in the illegal workshops of Leprosy Village.