This Privacy Policy was last modified on January 01, 2015.

Diff Sigma Tech Inc (DSTI) operates http://diffsigma.com (the "Site").

This page informs you of our policies regarding the collection, use and disclosure of Personal Information we receive from users of the Site.

We use your Personal Information only for providing and improving the Site. By using the Site, you agree to the collection and use of information in accordance with this policy.


Information Collection And Use

While using our Site, we may ask you to provide us with certain personally identifiable information that can be used to contact or identify you. Personally identifiable information may include, but is not limited to your name ("Personal Information").


Log Data

Like many site operators, we collect information that your browser sends whenever you visit our Site ("Log Data"). This Log Data may include information such as your computer's Internet Protocol ("IP") address, browser type, browser version, the pages of our Site that you visit, the time and date of your visit, the time spent on those pages and other statistics.



Cookies are files with small amount of data, which may include an anonymous unique identifier. Cookies are sent to your browser from a web site and stored on your computer's hard drive. Like many sites, we use "cookies" to collect information. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our Site.



The security of your Personal Information is important to us, but remember that no method of transmission over the Internet, or method of electronic storage, is 100% secure. While we strive to use commercially acceptable means to protect your Personal Information, we cannot guarantee its absolute security.


Changes To This Privacy Policy

DSTI may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on the Site. You are advised to review this Privacy Policy periodically for any changes.




DSTI warrants the quality of its products and shall exchange defective and substandard products or refund the amount paid provided the following policies on product exchange are complied with.

Product must still be in good and resalable condition and there must be no sign of any tampering of the product package nor exposure of the product to extreme heat

A written request for product exchange must be submitted within ten (10) days from the date of purchase and shall be accompanied by the original proof of purchase of the product being returned

DSTI shall accept requests for product exchange only if the request is being made not less than eight (8) months before the product’s expiry

In case of defective or substandard products sold by Members in retail to third party, the Member who sold the said defective or substandard product shall be responsible for requesting product exchange or refund in behalf of the third party. DSTI shall not accept product exchange directly from retail customers.

DSTI shall first examine the product to verify the claim. Upon confirmation that the product is indeed defective or of substandard quality, a new product of the same kind shall be given to the requesting party. In case the requesting party prefers a refund, the amount paid shall be refunded less ten percent (10%) for handling cost and taxes when applicable.



DSTI will accept orders only from purchasers whose names appear on the face of the credit card being presented for payment. If the name of the purchaser is different from the card holder, DSTI have the option to automatically deny/reject/cancel/refund your order.

Delivery of orders paid using3D secure credit cards will take 3-5 days. For non-3D secure cards, please submit the following requirements for verification:

Two (2) valid IDs of the purchaser

Credit card statement (latest billing) under the name of the purchaser

Purchaser’s mailing address, phone number and email address

You can send the above requirements to: This email address is being protected from spambots. You need JavaScript enabled to view it.

Upon verification of the above, an email will be sent to you confirming your order. You can expect delivery of Our products within 3-5 days.

Orders that are for pick-up at our designated stores shall be delivered only to the cardholder.




Orders will be delivered within 3-5 days after confirmation of payment has been made.

All prices and specifications are subject to change without notice. Prices are inclusive of VAT.

Head Office

Unit 704 TCI Tower,
West Capitol Drive, Kapitolyo
Pasig City Philippines 1603

Talk to us

(63 2) 290 - 7509

Contact us


Terms & Conditions

Internet Purchase