All products are warranted by their respective manufactures as if bought directly from them.

Defective parts shall be promptly replaced and all associated shipping shall be free of charge.


All returns (non-defective parts) need RMAN (Return Merchandise Authorization Number). Returned items may be subject to a 10% restocking fee. Also, all shipping charges (initial shipping at the time of purchase and the cost of returns) are not refundable. Software Licenses or code-keys are not accepted for returns.

To obtain a RMAN please contact us with your request to:

Email dpp@conaco.com        Tel.   516-707-7771     Fax. 516-708-1389

Cancellation POLICY

All Cancellations of orders are subject to a 5% processing fee. Also, all shipping charges (if applicable) are not refundable.


DPP distributes and resells products that are manufactured by third party companies. Such companies include Bob-CAD-CAM, Designsoft, Sherline products, and others. These companies provide direct warrantee for their products. DPP engineering will diligently coordinate the returns and replacement of any defective product. Nevertheless, by submitting your order you are also explicitly accepting to never hold DPP Engineering responsible for any sort of liabilities due to damages either to individuals or properties whether direct, implied or indirect related to these products.