With nearly 30 years of experience in hardware manufacturing and related technological know-how, Sun Castle is committed to provide customers with stable and highly durable products.

Consistently and constantly, Sun Castle has offered quality products that have been highly praised and recognized by numerous renowned brands in US, Europe and etc. Also, Sun Castle’s excellence has been proved through the certifications of ISO 9000, ISO9002, CE, RoHS, SGS, TUV and Fire Protection.

Sun Castle controls the entire manufacturing process to ensure product quality which effectively lowers products costs.