In 2009, Longxing Chemical Co., Ltd. was established to develop the first fully automatic electronic control magnesium oxide digital production line in China, and to develop safe and efficient functional powder materials with great promotion power, and established the company's technical advantages in the magnesium salt chemical industry. In 2015, Longtai Environmental Protection Technology Co., Ltd. was established to produce functional preparations of composite materials, and launch the AB material delivery process of composite production, and to develop a new automatic paste production process to achieve fully automatic one-click paste production. Key products: Nano multifunctional preparation, stabilizer, dispersant, color paste.