摩洛哥采购需求：不锈钢螺栓，内六角螺栓生产，不锈钢螺柱，螺栓紧固件厂，法兰面螺栓，不锈钢吊环螺栓

I'm looking for a supplier for some screws specifically designed for echo cancellers. The dimensions I need are quite specific, so I'd appreciate it if you could provide detailed specifications, including material options and any available variations. Additionally, it would be great to know your pricing, minimum order quantities, and lead times for delivery. Please include any certifications or quality assurance measures you have in place, as this is essential for our production standards. Looking forward to your prompt response!