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I'm interested in learning more about your solid gel ECG electrodes, specifically the ones that measure 45*35mm. Could you provide detailed specifications, including material composition, adhesive properties, and shelf life? Understanding these aspects is crucial for ensuring compatibility with our equipment and meeting our quality standards. Also, I'd like to know about the pricing structure for bulk orders and any available certifications. If you have data sheets or samples available, that would be extremely helpful for our evaluation process. Looking forward to your prompt response so we can explore this potential collaboration further.