As the largest and most advanced white mineral oil refinery in the Asia-Pacific region, henghaixin international trading co has been producing premium-quality white mineral oil since 2008, using Chevron Lummus Global LLC’s ISO-finishing technology with a noble-metal catalyst. With over 10 years of expertise, we specialize in refined food-grade and pharmaceutical-grade white oil. Additionally, with 25 years of experience in manufacturing caustic soda, potassium hydroxide, hexamine, salt, and melamine, henghaixin international trading co has established itself as a trusted name in both domestic and international markets, known for its superior quality and consistency.