Based on strong design and development ability of a more than 30 years experience technical team and thorough quality control system. THT products mainly in: 1. standard valves such as butterfly valves, gate valves, check valve, hydraulic control valve, strainers and large size valves for hydraulic power station, dismantling joint etc; 2. Non-standard customized valves such as: cone valve, penstocks, goggle valve, air dampers and louvers, gate dampers, and valves for material transit. Tell us the working condition and function you needs, THT will choose or design for you the most suitable products!