Retanning color-changing oil wax fatliquor series

Cationic leather fatliquor
Cationic fatliquor
Cationic leather fatliquor
Cationic fatliquor
Color-changing oil wax leather fatliquor for retanning
Color changing oil wax for retanning
Color-changing retanning oil wax fatliquor for water field
Oil wax for water field