Sigma Articles

Support – How To Use A Coupon Code When Purchasing Quantum XL

Owners of Quantum XL 2013 recieve a discount when purchasing Quantum XL 2016. For more information contact sales@sigmazone.com. To use your discount code, go to the Quantum XL Purchase page and click “Buy Now”. You will be taken to our eCommerce Partner’s website MyCommerce (see the image below).  First, adjust the quantity then click “Order Now”.  …

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