... ,walnut,palm,coconut,cotton,tea seeds crude oil. 1-500T/D vegetable oil refining equipment/refinerySimple in structure and stable in ... , sesame,walnut, rapessed, chilli seed,etc.oil refining equipment Characters:a.Safety:1. we using auto welding machine to make the ... quarrantee the quality of welding seam,avoid cracking and has a long life for about 8 years.2. professional heating treatment ...