TSLG (Taiwan Self-Locking Group) is the leading company in the field of functional pre-coating on fastener in the world. Our mission is “to devote to innovation and application of fastener pre-coating for safer products and better life.” With attentive and diligent spirit, our aim is to become the Value Solution Provider (VSP) that offers efficient pre-coating services for thread locking, sealing, thread protection/masking, anti-seize, electrical insulation, and more.

Since 1984, TSLG has established 8 service centers, including 5 manufacturing plants with fully equipped laboratories and R&D staff. TSLG cooperates with the world-leading adhesive brands, NYLOK, precote, 3M, and Loctite, to develop the most advanced pre-coating application technology and support our customers from initial product development stage, testing stage, application implementation, and standard establishing. TSLG has become the designated business partner of several leading companies worldwide.

To keep up with the trend and the needs of fasteners applications on electronic products, TSLG continue to develop and innovate coating technology for ultra micro screws, and implement production line management system and automatic monitoring system for quality control. With these resources, TSLG not only fulfills customers’ needs for product quality and delivery, but also offers technical support during product development to provide better values to our customers’ products.