We stand behind every order we fulfill, with comprehensive support from inquiry to after-sales, ensuring a worry-free cooperation experience for all global partners. We offer sample development and free design consultation, strict quality control with international standard compliance, dedicated account managers for 1-on-1 support, on-time delivery guarantee for all orders, flexible MOQ to meet your business needs, and comprehensive after-sales support and warranty, making us your reliable partner for all WPC door, frame, and profile needs.

Since our founding in 1997, Star Billion has grown from a local workshop to one of China’s leading WPC door manufacturers, driven by two core principles: integrity in every partnership, and quality in every product.

Over decades of serving global markets, we have built a solid reputation for reliability, craftsmanship, and innovation. Our design team keeps a close pulse on market trends, developing a wide range of interior door designs, finishes, and sizes that meet the diverse needs of different regions and customers. Whether you need standard styles or fully customized solutions, we work hand-in-hand with you to ensure your order fits your market perfectly.

To help you make confident decisions, we offer free sample services before your first order, so you can experience our quality firsthand.

At Star Billion, we don’t just supply WPC doors — we build reliable, long-term partnerships with clients worldwide. Whether you’re working on a large construction project, expanding your product line, or looking for a stable OEM/ODM supplier, we’re here to support you with customized solutions tailored to your market, strict quality control and on-time delivery, one-on-one service from inquiry to after-sales, as well as free samples and professional consultation. We warmly invite you to reach out and start your cooperation with us today.