Tianjin henghaixin international trading co.

Our factory was found on the basis of chevron lummus global llc iso-finishing technology along with its nobel-metal catalystfor high quality white mineral oil production since 2008, now we owns the biggest and most advanced white mineral oil refinery among asia-pacific area, and  manufacturing of refined white oil food grade & pharma grade more than 10 years. And manufacturing of caustic soda & hydroxide potassium & hexamine & salt &melamine more than 25 years