Founded in 1991, TOPO is a High-Tech Enterprise specializing in the production and R&D of technique compounds based on PA6, PA66, PP, PBT, PC, ABS, PC/ABS, HIPS, TPE, disposable formwork (for lightweight fill applications) and reusable formwork (for modular applications). With five advanced high-speed twin-screw mixing equipment and one professional sample produc...