... product line is a soap complete line starting from oil melting, saponifying, vacuum drying and cooling, milling ... and Consuming for producing soap: Oil or fat of plant or animal (palm oil, coconut oil, tallow oil, etc.), caustic soda (NaOH ... ), sodium-chloride (NaCl), sodium silicate, fragrance, pigment, etc. 3. Production Process: Mix and melt oil ...