HTP Asia Technology Co., Ltd.(Holin) is a specialized developer and manufacturer of high-quality waterproof/adaptable connectors, custom cable assemblies, and accessories designed to withstand harsh environments. We are proud to hold ISO 9001:2015 and ISO 14001:2015 certifications. Our products are built to meet IP66 to IP68 ratings, and our connector product lines comply with RoHS and REACH regulations, ensuring the use of environmentally friendly materials.