Company Profile

Shanghai Wanguo Technology Development Co., Ltd is a high and new technology enterprise which integrates research and innovation and specializes in producing Tanger PIR pre-insulated air duct panels. Located in the southern suburb of Shanghai, WTD Co., Ltd possesses dozens of patents of its self-owned products, imported assemble-line form Germany, and sets up its sales offices, R&D center, product center, QC center and training center, and also more than 40 offices, agents and distributors worldwide to provide customers with high quality products and considerate service.
WTD. Ltd has devoted to the research of Tanger PIR pre-insulated air duct panel has made a historic breakthrough in thermal conductivity, as low as to 0.018 W/mk, the lowest one around the world. Tanger-Duct panel is without harmful substances such as CFC, formaldehyde, and benzene, besides, no ungluing, no powder-dropping, chemical neutral, and perfect mechanical strength and tenacity. Tanger-Duct is made of PIR panels, with the superiors such as fireproofing, energy-saving, environmental protection, anti-bacteria, durability, light weight and good appearance, heat-insulation, moisture-proofing and noise-reduction, fast installation, stable physical properties, no air leak, no condensed water, corrosion resistance, maintenance free, and long lifespan etc, which is nearly an ideal renewing product of modern ventilation system.