Frequently Asked Questions (FAQ)

– Customer service

What certificates does SWI have?

Our food products are certified with high quality and safety with international standard

How do I file a complaint?

Please contact environmental officer at Telephone number

+66 (0) 4423 3200 extension 210

Other enquiries

Please contact administrator at

Telephone number +66 (0) 4423 3200

Advertising such as magazine

Please contact sales and logistics at

Telephone number +66 (0) 4423 3200 ต่อ 101

– Agriculture

How can I apply for SWI SMART MEMBER CARD (Mun Rai member) ?

Please contact Agricultural Relationship Department (near cafeteria) to apply for membership

  • Telephone number +66 (0) 4423 3200 extension 129
  • Facebook: ชาวไร่สัมพันธ์ สงวนวงษ์ฯ โคราช
  • Application requirement: A copy of personal ID
Where can I request for Tapioca waste (dried tapioca peels)?

For SWI SMART MEMBER please contact Agricultural Relationship department (near cafeteria) to receive free soil shell.

  • Telephone number +66 (0) 4423 3200 extension 129
  • Facebook: ชาวไร่สัมพันธ์ สงวนวงษ์ฯ โคราช
  • Required document: Delivery note for Tapioca peels request 1 truck
Where can I request for bioproduct?

For SWI SMART MEMBER please contact Agricultural Relationship department (near cafeteria) to receive free soil shell.

  • Telephone number +66 (0) 4423 3200 extension 129
  • Facebook : ชาวไร่สัมพันธ์ สงวนวงษ์ฯ โคราช

– Products

SWI featured products
  • Native Tapioca Starch and Modified Tapioca Starch
  • Fiber Tapioca Starch
  • Cassava Flour

Tapioca Peels and Tapioca Pulp etc.

Where can I get product specification?

You can send email to Sales and Logistics Department or

Telephone number: +66 (0) 4423 3200 Ex.101

Does SWI have products ready to be delivered?

Our product is solely made-to-order. You can check the availability of products by contacting our sales and logistic team.

Does SWI have Tapioca Chips or Tapioca Pellets?

No, we don’t have.

Does SWI have Tapioca Pearl from Tapioca?

No, we don’t have.

Whom can I contact to buy Tapioca waste?

Please contact sales and logistic team at

Telephone number: +66 (0) 4423 3200 Ex.101

I would like to know the size of packaging.

Tapioca packaging is available in

  • Plastic bag and paper bag size 15 kgs, 20kgs, 30kgs, and 50 kgs.
  • Jumbo size bag 500 kgs, 850 kgs and 1,000 kgs.
How many tons of products can 20-feet and 40-feet size container deliver?
  • A 20-feet container can deliver 19 tons of product.
  • A 40-feet container can deliver 24-25 tons of product
What product application from Tapioca does SWI have?

We have following Tapioca related products:

  • Food and beverage
  • Industrial
  • Pet food

Please see the additional list of products in Products and services menu.

What is the lead time for a product?

30 days after order confirmation.

what is the minimum order for domestic customers?

Minimum order for a 10-wheel truck is 15 tons and there is no minimum for self pick-up.

What is the minimum order for Overseas customers?

Minimum order is 36 tons for international delivery.

Where is SWI office?
  • Head Quarter locates at 120,  Moo 4, Ratchasima – Chokechai road, Nong Bua Sara, Ampur Muang, Nakhon Ratchasima, 30000
  • Bangkok Office locats at Samyan business town, 654/8 Soi Jindatawin, Praram 4 road, Mahapruektaram Bangrak, Bangkok 10500
Where can I get Certificate of Analysis (COA)?

Please send an email to sales and logistic department with following details:

  •  Name and No. of purchase order
  •  Batch number
  •  Invoice number

Or contact at telephone number +66 (0) 4423 3200 ต่อ 101

What are delivery channels?

There are 5 delivery channels.

  • Delivery by train to Shipping harbor for export
  • Delivery by car or truck to all domestic destinations
  • Delivery by Ship to all international destinations
  • International export to all destination around the world
  • Self pick-up at the factory
How can I become SWI domestic or international business partners?

Please contact Sales and Logistics Department or

Telephone number: +66 (0) 4423 3200 Ex.101

Where can I contact quality control/assurance department?

Please contact Sales and Logistics Department or

Telephone number: +66 (0) 4423 3200 Ex.101 and our staff will contact Quality control/assurance immediately.

What are the types of pallet shrink wrap for paper bag?

We have two types of pallet shrink wrap for paper bag as follows;

1. Low Shrink Wrap or Single Stacked

  • 20ft container Total 20 pallets, 30 bags per pallet
  • 40ft container Total 40 pallets, 24 bags per pallet

2. High Shrink Wrap or Double Stacked

  • 20ft container Total 10 pallets, 66 bags per pallet)
  • 40ft container Total 20 pallets, 48 bags per pallet)
Whom to contact for payment related questions?

Please contact Sales and Logistics Department or

Telephone number: +66 (0) 4423 3200 Ex.101

Whom to contact for online business related appointment?

Please contact Sales and Logistics Department or

Telephone number: +66 (0) 4423 3200 Ex.101

Whom to contact for sales activities and proposals such as online platform or domestic and international exhibition?

Please contact Sales and Logistics Department or

Telephone number: +66 (0) 4423 3200 Ex.101

– Purchase

How to become product delivery partner?

Please send details via email rattaporn@swi.co.th with following information:

  • What types of truck are available?
  • What types , size and how many cars available?
  • Where are cars/trucks are locating? Which area of delivery?
  • Do you have insurance?
  • Office details
  • Contact : Name, email and telephone number
Where to send sea freight proposal and air fright proposal?

Please send details via email rattaporn@swi.co.th

How do I contact SWI purchasing department?

Please send details via email rattaporn@swi.co.th

How do I propose office equipment ?

Please send details via email rattaporn@swi.co.th

– Human Resources

Where can I see career opportunity or job vacancy?

Please visit following :

  • WWW.SWI.CO.TH for job application
  • WWW.JOBTHAI.COM for SWI job opportunities
  • Facebook page: Sanguan Wongse Careers
  • Contact us via email recruit_hrm@swi.co.th
  • Contact telephone number +66 (0) 4423 3200 ต่อ 121
Where can I send my job application?

Please send your job application via:

  • www.jobthai.com for SWI jobs
  • Email at recruit_hrm@swi.co.th
  • Walk-in application at SWI office
Whom to contact for student internship?

Please contact HR department via:

  • Email recruit_hrm@swi.co.th
  • Contact telephone number +66 (0) 4423 3200 ต่อ 121
  • Walk-in application at SWI office