巴西采购需求：有氧运动器材、动感单车、商用跑步机、家用椭圆机、立式健身车、踏步机

I'm looking for a specific gas piston for my upcoming project. It's important for me to ensure that it meets all necessary specifications and quality standards. Please provide details on your availability, pricing, and any minimum order quantities. Additionally, I'd like to know the lead time for delivery and if there are any options for bulk purchasing. If you have technical data sheets or catalogs available, that would be great as well. Looking forward to your prompt response so we can move forward efficiently!