Incorporated in 1996, Topwell Spring Development Limited (TSD) has evolved to be one of the leading custom injection molders of our region. We are expert in the design and manufacture of injection molds from concept to production, incluing prototyping and completed Secondary Operations.

Equipped with advanced facilities, Utilizing the newest molding techniques, TSD is your completed one-stop shop for your injection molding needs. We are continuously dedicated to providing our clients with excellent quality, on-time delivery, competitive price, and the exceptional services.