Pretank's vinegar fermenter is made of acid-resistant stainless steel including SS304, SS316L, 321 or SS316Tai. Using self-priming acetic acid deep-layer production technology to make fruit vinegar. 
| Type | Shell dimension: mm | Total height: mm | Legs | Cooling aream2 |
| ( D) | ( H) | ( N) | ( M²) | |
| VF 1 | 930 | 2150 | 3/4 | Customized |
| VF 2 | 1270 | 2600 | 4 | Customized |
| VF 3 | 1400 | 2900 | 4 | Customized |
| VF 4 | 1600 | 2940 | 4 | Customized |
| VF 5 | 1783 | 2900 | 4 | Customized |
| VF 10 | 1800 | 3080 | 4 | Customized |
| VF 15 | 2000 | 5950 | 4 | Customized |
| VF 20 | 2250 | 6220 | 4 | Customized |
| VF 25 | 2600 | 6300 | 4 | Customized |
| VF 30 | 2600 | 7200 | 4 | Customized |
Prettech tanks are made of SS304 grade stainless steel. It offers the best properties for sanitary, food and beverage processing. For highly-corrosive environments, such as salty or acidic areas, tanks can be manufactured out of the higher-grade SS316L stainless steel. All stainless materials are purchased from first quality steel mills, their qualified MTC is supplied and Pretank would inspect again before put in our warehouse.
Q1. Can you produce tanks with S.S.316L?
Yes we can, the wetted-parts are produced by S.S.316L to guarantee the corrosion resistance, the non-wetted parts are produced by S.S.304 to reduce cost.
Q2. What's the lead time?
35-50 working days depend on the order quantity.
Q3. How do you ship the goods?
We usually ship by sea in containers or flat rack.
Q4. Are you factory or trading company?
We are a manufacturer and export by ourselves.
Q5. Can your factory produce according to our samples or drawing?
Yes, we can do OEM and customization.
Q6. What is your nearest port?
Qingdao port,China
Q7. Do you supply door to door shipping?
Yes we do, Pretank do ocean shipping, customs clearance, import procedures and deliver products to the appointed place.
Q8. How do you guarantee this machine normally operating?
Every machine is tested in our factory before shipping, We will adjust the machine to optimal effect before delivery. And spare is always available and free for you in warranty year.
Q9. Do you supply after-sale services?
Yes we do, if any defects occurred, Pretank would give instructions on how to handle, fast repair locally is available if needed.
Q10. What inspections will you do before delivery in your factory?
All tanks would be tested by static pressure test, dye penetration or X-ray test if requested.
