Customized Adaptation for Diverse Needs: It offers product matching solutions with varying hardness and rigidity tailored to the performance requirements of different shoe styles, precisely meeting the core design and usage demands of various footwear types.

作为高硬度产品，“挺”系列港宝兼具轻量化优势，密度不足0.85，穿着无负担；刚性与硬度尤为出色，1.5mm厚度的产品，首次刚性压塌强度超185牛，足以抵御日常行走、运动中的各类压力；低温适应性同样优异，在零下15度环境中曲折不易断裂，适配不同地域、季节的鞋履应用需求，性能稳定可靠。

As a high-hardness product, CAYO's ProTect Series Heel Counters also feature lightweight advantages with a density of less than 0.85, ensuring wear comfort without any burden. They exhibit exceptional rigidity and hardness: a 1.5mm-thick product boasts an initial rigid collapse strength of over 185 Newtons, which is more than sufficient to withstand various pressures encountered during daily walking and sports activities. Additionally, they demonstrate excellent low-temperature adaptability—remaining resistant to breakagewhen bent at -15°C, stably meeting the application requirements of footwear across different regions and seasons with reliable performance.

凭借多元性能优势，“挺”系列港宝的应用场景极为广泛，已获得众多品牌认可并大规模实践。目前，产品成功适配篮球鞋、登山鞋、正装鞋、马靴、冰刀鞋、高端安全鞋、军靴、马拉松跑鞋、户外越野鞋、防切割鞋等多种鞋款，累计应用超3亿多双。产品更细分高挺、高刚、挺性三个品质分类，构成加固稳定、保护脚踝及脚跟腱的最佳方案，精准匹配各类追求刚性、挺性、硬度的鞋款需求，是鞋履后跟衬的理想之选。

Thanks to its diversified performance advantages, the ProTect  Series Heel Counters have extremely wide application scenarios, and have been recognized by numerous brands and adopted on a large scale. Currently, the product has been successfully adapted to various shoe types, including basketball shoes, hiking shoes, formal shoes, riding boots, ice skates, high-end safety shoes, military boots, marathon running shoes, outdoor trail shoes, and cut-resistant shoes, with a cumulative application of over 300 million pairs. Furthermore, the product is subdivided into three quality categories: High Support, High Rigidity, and Standard Support, forming an optimal solution for reinforcing stability and protecting ankles and Achilles tendons. It precisely meets the requirements of various shoe types that demand rigidity, support, and hardness, making it an ideal choice for shoe heel linings.

“挺”系列港宝精选涤纶纤维、丁苯胶乳、活性钙、醋酸乙烯聚合物、聚氨酯、聚酯等优质原料精心调配，从源头确保产品的稳定性与耐用性。而在品质之外，锴越更将环保理念深植研发核心——积极推动环境保护实践，正是我们可持续发展战略的核心组成部分。

顺应全球绿色发展趋势，锴越通过产品创新与严谨的流程管理，打造循环可持续的产品体系。针对不同品牌的碳排放需求，我们为“挺”系列港宝量身定制了多种配方，循环材料占比覆盖20%至85%，在足额保障产品硬核性能的前提下，最大限度降低环境影响，全力助力品牌伙伴实现低碳发展目标。

In response to the global trend of green development, CAYO has built a circular and sustainable product system through product innovation and rigorous process management. Catering to the carbon emission requirements of different brands, we have tailored a variety of formulations for the ProTect Series Heel Counters, with recycled material proportions ranging from 20% to 85%. While fully guaranteeing the robust performance of the products, we minimize environmental impact to fully support our brand partners in achieving their low-carbon development goals.

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