西班牙采购需求：高密度聚乙烯管材、高密度聚乙烯管件、高密度聚乙烯电熔管件、高密度聚乙烯对接熔管件、聚乙烯排水管件、聚丙烯压缩管件

I am looking for high-quality water hammer arrestors to enhance our plumbing systems' performance. We need these components to effectively minimize pressure surges and protect pipes from damage. Please provide information on your available models, including their specifications, material quality, and any relevant certifications. Additionally, it would be great to know about the pricing tiers based on order quantities and any bulk purchase discounts you might offer. Moreover, I'm interested in understanding your production lead times, available dimensions, and installation guidelines. If you have any technical documentation or product catalogs, please include those as well. A quick response would be appreciated, as we are aiming to make a purchasing decision promptly. Thank you for your assistance!