<![CDATA[General Background In the digital era, establishing an online presence is essential for construction materials manufacturing enterprises to maintain market competitiveness and expand business reach. Specific Background PT Varia Usaha Bangkalan Madura, a concrete production and distribution firm, requires a functional digital promotional channel to deliver technical specifications and order procedures to prospective clients. Knowledge Gap Existing promotional mechanisms often lack direct interactive features and structured technical product visibility tailored to the regional concrete supply market. Aims This study designs and implements a responsive website using HTML, CSS, JavaScript, PHP, and MySQL to streamline product information delivery and order request management. Results System testing demonstrates enhanced digital visibility, an increased rate of inquiry conversions, and fully functional multi-device responsiveness across UI/UX components. Novelty This work provides an integrated promotional model specifically tailored for regional concrete manufacturers, combining direct inquiry channels with dynamic technical product displays. Implications Deploying this dedicated web infrastructure strengthens marketing outreach, optimizes customer inquiry processing, and supports commercial positioning within the construction industry. Key Findings Highlights Implementation of dynamic web catalogs improves user access to technical concrete specifications and pricing details. Responsive front-end design combined with relational backend architecture facilitates streamlined customer inquiry processing. Establishing a dedicated web channel increases organic visitor traffic and customer conversion rates for construction materials. Keywords Concrete Product Promotion, Digital Marketing Platform, Responsive Web Design, User Interface Optimization, PT Varia Usaha]]>
