BST has over 15 years of experience in developing and manufacturing camera filter systems. We manufacture world-class neutral-color CPLs, cross-free VNDs, and magnetic filter solutions. BST has also pioneered multiple industry-leading innovations, including the world’s first glass GND and a proprietary electronic VND solution. Backed by a fully integrated production chain encompassing lens grinding, glass coating, CNC machining, plastic injection molding, precision optical assembly, and packaging, BST provides full-scope OEM and ODM solutions for optical filters and add-on lenses.
Our strengths include a consistent mass-production capacity with ISO-quality management, a comprehensive portfolio of industry-leading product solutions, strict cost optimization, fast delivery, and continuous R&D innovation. BST is committed to delivering comprehensive support to help partner brands grow and succeed.