Hangzhou YarwinSun Technology Co., Ltd.

Hangzhou YarwinSun Technology Co., Ltd. offers a full range of automotive and industrial seals including door seals, gaskets, and edge guards — all critical for vehicle durability and safety. Being based in Hangzhou, China, gives them access to a strong supply chain for rubber and precision components, helping keep prices competitive. Founded in 2013, the company has been in operation for nearly a decade, which suggests stability and experience in manufacturing. However, no phone, work email, or business documents have been verified — this raises concerns about legitimacy and responsiveness. Buyers should request additional verification before placing large orders or sharing technical specifications. The lack of verification may make it harder to build trust, especially for long-term partnerships. Having a clear product range helps buyers identify potential replacements or upgrades for existing parts.