主营产品：We produce and sell spiral air ducts and welded air ducts in dozens of specifications, ranging from Φ100 to Φ2000, with thicknesses of 0.5-3.0mm (including 0.5-1.5mm for spiral ducts and 0.8-3.0mm for welded ducts, which can be customized according to customer needs) , rectangular air duct product specifications can be made according to the requirements; the supporting components of the ventilation duct include 45° elbow, 90° elbow, T tee, pants tee, four way, big and small heads, air valve, round sky and square, saddle interface , flange, blind plate, intermediate joint, etc.
主营产品： Ventilation ducts, restaurant kitchen smoke exhaust system design and installation, stainless steel product customization, production and installation, oil fume purification, various waste gas, waste water and noise control projects.
主营产品：The business scope of Shandong Lvbei Energy Saving and Environmental Protection Equipment Manufacturing Co., Ltd.: investment, development, management, goods and import and export of solar power generation projects and wind power generation projects (excluding radio transmitting and satellite receiving equipment).
主营产品：Ingersoll Rand air compressor parts and repairs, Atlas air compressor parts and repairs, Fusheng air compressor parts and repairs, Sullair air compressor parts and repairs, CompAir air compressor parts and repairs, GD Denfu air compressor parts and repairs, Fidelity air compressor parts and repairs, Scolo air compressor parts and repairs, Kesuo air compressor parts, Ingersoll Rand super coolant original air compressor oil
主营产品：Processing and sales of Roots blowers and accessories; environmentally friendly machinery and accessories; dryers, vulcanizers and accessories; animal harmless treatment equipment and accessories
主营产品：Wall-mounted fresh air system, central fresh air system, cabinet fresh air system, smart home fresh air system, formaldehyde purification fresh air system, Beijing fresh air system
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