Our portfolio comprises 200+ products across comprehensive categories:
Sulfonic acids, Sulfonates, Sulfurized alkylphenates, Salicylates, Antioxidants & anti-corrosives, Ashless dispersants, Extreme pressure/anti-wear additives, Rust inhibitors, Viscosity index improvers, Pour point depressants, Antifoams, and Full-range additive packages. Delivering cost-effective, high-performance solutions tailored to global market needs.
Facing users'needs
supplying global demand
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Facing users'needs
supplying global demand
Corporate Culture
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MISSION
MISSION
Chemistry and Biology, Creating a Bright Life
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VISION
VISION
To Become a World-Class Enterprise with Customer Trust, Employee Pride, Social Respect and Sustainable Development
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VALUES
VALUES
Customer-Oriented, Forward Striving, Innovation Driven, Excellence Pursuing, Agile and Efficient, Open-minded
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SPIRIT
SPIRIT
Solidarity, Persistence, Diligence and Enjoyment
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Mar 2025Steady expansion established a complete industrial chain, featuring 200+ proprietary single additives and composite formulations – many with independent intellectual property rights.
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Mar 2024Launched comprehensive resource integration and synergy development strategy. Leveraging Rianlon's robust platform, we accelerated technological innovation and market expansion while pioneering cutting-edge R&D for industry breakthroughs.
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Mar 2021Kangtai became a wholly-owned subsidiary of Rianlon, marking a transformative new chapter.
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Mar 2020Held groundbreaking ceremony for the 50,000-ton annual capacity lubricant additive production base in Jinzhou Binhai New Area. This facility established China's first composite-matrix detergent production line, ending foreign market dominance.
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Mar 2011Commissioned an 8-million-yuan R&D complex (3,000㎡), solidifying our technological leadership in lubricant additives.
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Jan 2010Formed strategic capital partnership with Beijing Capital Group to expedite global growth. Secured multiple national patents, achieving landmark innovations in independent R&D.
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May 2007Transitioned from trading to manufacturing with 80+ proprietary additives and 4 national patents, completing our industrial chain upgrade.
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Apr 2001Relocated to Jinzhou Hi-Tech Industrial Zone, achieving breakthrough annual sales revenue exceeding 100 million RMB for the first time. Designated as Liaoning Provincial High-Tech Enterprise during rapid expansion.
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May 1998Established in 1998, Jinzhou Kangtai Lubricant Additives Co., Ltd. commenced operations with a registered capital of 1 million RMB and 45 million yuan annual sales. Launched nationwide distribution for 50 additive products.
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Accreditations

Rianlon's Global Footprint
As Rianlon's "Second Growth Curve," Kangtai offers China's most comprehensive lubricant additive portfolio. With 30+ years of expertise, Rianlon has become a global leader in chemical and biotech solutions.