Zhoushan Demaji Industrial Co., Ltd. is a professional manufacturer of screws and barrels. The company has large production scale, sophisticated equipment, scientific technology, excellent production, and strong technical force. It not only provides support for more than 100 large-scale plastic machinery manufacturers in China, And exported to Indonesia, Japan, South Korea, India, Russia, the Middle East, Africa, Taiwan and other countries and regions. In line with the purpose of saving energy for the country, driving progress for peers, creating profits for customers, providing opportunities for employees, creating benefits for the enterprise, and harmoniously developing to jointly create social prosperity, the company relies on its original unique technical strength and perfect quality assurance system, with independent intellectual property rights, “Demage” employees have made continuous efforts and cooperated with Swedish engineers to research and improve the original PTA nickel alloy spraying system.