Shenyang Guangda Chemical Co., Ltd. is a professional sulfurized isobutylene manufacturer in China, specializing in the research, development, and production of lubricant additives. Established in 2010, the company is located in the Shenyang Economic & Technological Development Zone Chemical Industrial Park.

Our main product, Sulfurized Isobutylene (T321), is widely used as an extreme pressure (EP) additive for lubricants and gear oils, providing excellent load-carrying performance and anti-wear protection. The product can also be used as a sulfiding agent for hydrotreating catalysts in the petroleum refining industry.
With modern production facilities and automated process control systems, Guangda Chemical is committed to delivering stable quality, reliable supply, and competitive lubricant additive solutions to customers worldwide.





High quality products,
high quality services,
advanced business philosophy
is the constant pursuit of enterprises.


Standardized production and
operation activities, as well
as standardized safety and
environmental protection
facilities and management,
are the solid foundation for
a good enterprise


Integrity in business operations
and the spirit of contract are
the embodiment and essential
requirement of corporate
responsibility


The continuous innovation of product technology and application makes the enterprise lead the development of the same industry market, which is the core competitiveness of the enterprise.
