20mm to 20mm Picatinny Riser Adapter 14 Slots Aluminum Mount 3cm Height Increase

Yes, we offer OEM & ODM. We can customize Logo & Slogan, as well as package and manual of the products. We can also make mold as per clients requests.

Always a pre-production sample before mass production; Always final Inspection before shipment;

It depends on the logistic type that you have selected, we offer UPS Express (1-2 business days), UPS Saver (2-3 business days), UPS Korea (7-9 business days) and a variety of Ocean logistic services (11-30 business days). Usually it takes 5-35 business days for our clients to receive their goods after the order process is completed.

At PETRAM we always send out sample product or examination videos before we begin mass production or before we start shipping. However, defects or errors may occur due to variety of reasons. Please contact us and point out exactly what the problem is and we will give our clients at least 2 options to choose from.

It depends on the battery type. Item that comes CR1632, CR2032, CR2450, CR123A or any other battery types that starts with "CR" will comes with battery inside. Batteries like AA or AAA, we most likely will not have the battery included due to logistic reasons. Except Walker's Ear Muff, those ear muffs comes with 2 AAA batteries. We will include batteries in Walker's Ear Muff.