Our Thai Tinto in a virtual world, doing real business. We guarantee that our products are the best quality, the most genuine. You can come to our factory site visits, as this will give you a better understanding of us, trust us. Our main stainless steel large-diameter flange welded flange welded flange series, let us look forward to a long-term cooperation partners to communicate in a friendly in Hebei Thai Tinto to all new and old friends sincere cooperation and common development of stainless steel manhole flange welcome your calls manhole flange is mounted on top of the tank safety emergency ventilation device, usually with fire, mechanical breathing valve supporting the use, both to avoid accidental overpressure caused a sharp tank or vacuum, damaged tanks and accidents, but also play a security role of the fire, is a safety device to protect the tank, especially for the storage of materials in order to cap the dome pressure tank. With a constant pressure discharge, constant pressure inhalation, opening and closing a flexible, safe fire retardant, compact structure, good sealing performance, safety and reliability. Manhole flange is mounted on top of the tank safety emergency ventilation devices, often supporting the use of mechanical breathing valve, both to avoid an accident caused when a sharp overpressure or vacuum tank, the tank and damage the accident, there to play safe fire retardant, is a safety device to protect the tank, especially for the storage of materials in order to cap the dome pressure tank manhole flange has constant discharge pressure, constant pressure inhalation, opening and closing a flexible, safe fire retardant, good sealing performance, safety reliable. The company has a sound quality assurance system, has achieved ISO9001: 2000 quality certification, the State Administration of Quality Supervision, Inspection and Quarantine management system was awarded the "People's Republic of China special equipment manufacturing license" (pressure piping), and the relevant departments as quality Shou outstanding integrity demonstration units. In good faith, the concept of win-win cooperation, quality first, scientific management, continuous improvement, Seiko production purposes and flexible management style welcome all the friends and sincere cooperation and common development.