1, Soak kitchen utensils to remove oil and other food residues.    2, Using food grade 304 stainless steel tank, manual argon welding, thickening to 2 mm, stron……

1, Soak kitchen utensils to remove oil and other food residues.    2, Using food grade 304 stainless steel tank, manual argon welding, thickening to 2 mm, stron……