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Business license
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Municipal Public Works Construction Contract Grade A Qualification
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Water conservancy industry (river rectification) Professional Class A qualification
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National High-tech Enterprise Certificate
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Zhongguancun High-tech Enterprise Certificate
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Credit rating AAA certificate
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Quality Management System Certification
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Environmental Management System Certification
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Occupational Health and Safety Management System Certification
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Microbial in situ expansion culture device for toxic and harmful wastewater treatment
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Three-dimensional electrode-biofilm device using solar energy
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Indigenous microorganism in situ screening and culturing device for water body restoration
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Mobile type algae removal and suspension device
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Organically contaminated soil thermal desorption repair and tail gas catalytic treatment device
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一Organic matter contaminated soil repairing device
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Device for treating black and odor water bodies
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Artificial subsurface wetland sewage treatment equipment
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Artificial wetland capable of providing carbon source
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Continuous temperature treatment integrated device for different temperature VOC exhaust gases
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High-temperature and high-humidity oil gas recovery and purification device