Wuxi Weishan Environmental Protection

Product matrix‌‌
Environmental protection duct system‌‌
Industrial grade welded air duct: stainless steel 316L/galvanized sheet SPCC/carbon steel Q235B (compliant with GB50243 standard)
Intelligent spiral duct system: DN100-DN2000 Full Specification Coverage (EU CE Certification)
Special composite air duct: explosion-proof/acid alkali resistant/soundproof (certified by FM)
Intelligent risk control components‌‌
Execution mechanism: Electric proportional control valve (0-10V signal control)/Pneumatic quick opening valve (response time ≤ 0.5s)
Safety device: UL certified fire damper (280 ℃ automatic fuse)/anti backflow check valve (leakage rate<0.5%)
Professional supporting system‌‌
Connection system: angle steel flange (GB/T9119)/common plate flange (EN1505)
Fluid control components: Venturi variable diameter tube (CFD optimized design)/diversion tee (patented turbulence suppression structure)
Noise reduction equipment: Impedance composite muffler (insertion loss ≥ 35dB (A))
The company strictly implements the ISO9001 quality management system, and its products have obtained SGS material testing reports and EU ROHS environmental certification. Our continuous innovation in technology research and development capabilities, as well as a comprehensive engineering service system, have made us a strategic supplier to more than 30 large enterprises such as China Construction Third Engineering Bureau and Shanghai Urban Investment corporation, with business coverage in 16 countries and regions.