Tianjin Soda Plant
+8615380400285 sales2@liwei-chem.com

Our History

Our journey in chemical manufacturing has been marked by continuous growth, innovation, and commitment to excellence.

1914

Industry Foundation Laid

Jiuda Salt Refining Company was founded in Tianjin with a factory in Tanggu, kicking off the development of modern chemical industry in Tianjin and laying a solid foundation for the rise of China’s national soda industry.

1917

Breakthrough in Soda Technology

Yongli Soda Plant was officially established. The team led by Fan Xudong achieved successful soda-making experiments, breaking foreign technical monopolies and filling the domestic technological gap in soda ash production.

1920

Red Triangle Brand Registered

The core brand "Red Triangle" , establishing the century-old brand foundation of the enterprise.

1922

Founding of Huanghai Research Society

Huanghai Chemical Industry Research Society was founded in Tanggu. As one of China’s earliest professional chemical research institutions, it promoted independent R&D and innovation in modern chemical technologies.

1926

International Gold Medal Won

"Red Triangle" soda ash won the Gold Medal at the Philadelphia World Exposition. Meanwhile, the plant developed China’s first baking soda, setting multiple industry firsts.

1941

Hou’s Soda Process Invented

The self-developed Hou Debang Soda-making Process was successfully tested. It greatly improved production efficiency and reduced raw material consumption, becoming a world-class advanced soda manufacturing technology.

1955

Enterprise Restructuring

Yongli Soda Plant and Jiuda Salt Refining Plant were merged into a joint public-private enterprise, marking a new era of large-scale and standardized development for the company.

1979

Core Product Branding

"Red Triangle" soda ash was awarded the National High-Quality Product Gold Medal. The self-developed "Neptune" agricultural ammonium chloride was officially put into production, forming two core competitive product lines.

2001

International Quality Certification

The company successfully passed ISO9001 and UKAS international quality system certifications, realizing standardized quality management in line with international standards.

2005

Brand Upgrade & New Layout

"Neptune" agricultural ammonium chloride was named China Top Brand. The company launched the relocation and upgrading project in Tianjin Lingang Industrial Zone, starting the transformation toward modern green chemical production.