Hangzhou Huahuang Engergy Engineering Co,.ltd is located in Hangzhou, China, established in 2019 and provide EPCM solution for Industry Gas plant of small & medium size Cryogenic Air Seperation Unit, Pressure Swing Adsorption, Membrane Seperation System and Supply the plant related equipments & service. 20 Years+ Expertise & Skills in Oversea project management & business development of Industry Gas & refrigeration Engineering project.Main business scope: 1. Equipment supply: Valve, Instrument, Expander, Pump, Storage tank, bulk material, Modules and skids etc. 2. Air seperation plant matainance and spare parts supply.3. Engineering Solution: Gas filling station. Pre-cooling & purification system performance upgarde. Small & medium size ASU unit-Cryogenic separation technology Oxygen & Nitrogen unit- PSA/VPSA or Membrane technology. Equipment Supply advantageWe source high quality equipment from the international level suppliers with proven tracking record and manage the supplier & purchasing order execution:- Supplier Sourcing: - Supplier Qualification: - Supplier Selection: - Purchasing order management: Quality & Delivery Management- Supplier Performance evaluation: - Capitalization: