Some of our details as below: 1) Shell material : Lucite Acrylic ( famous brand in US) 2) Cabinet :PS Wood-Plastic Composite Panels 3) Pumps ,and Blower: Lingxiao Brand ( it's one of the most famous brand in China),TUV,CE approved. 4) Electric Controls: Balboa GS Control System and our brand Sparelax . 5) Ozonators: SUNCHEE 98AS (12V) 50mg/hour . 6) Jets:CMP & Rising Dragon brand ,they making high grade jets for the US and Canada markets 7) Capacity : for 3 adults to 8 adults.also have swim pools . 8) MOQ :1set , delivery time is about 18workdays for sample order (less than 6sets),about 25 workdays for container order. 9) CE and SAA approved. 6sets/20GP 12sets/40HQ.