About SENEVEN
About SENEVEN
Shanghai SENEVEN Environmental Technology Co., Ltd. (SENEVEN®), founded in 2008, is an innovation-driven enterprise deeply rooted in frontier technologies for environmental pollution prevention and control, dedicated to delivering end-to-end systematic solutions.
Brand Philosophy & Vision
We hold to the core principle of "Precise, Truth" (甚于诺, 致于微) — grounded in integrity, empowered by technology, and led by wisdom — safeguarding our clients’ project safety and environmental responsibility. We understand that in environmental engineering a hair-line deviation can compound into miles of error; only through relentless precision can we go far.
Core Technology & Applications
SENEVEN focuses on the integrity and safety of containment liner systems. Drawing on geomembrane leak detection and continuous online monitoring, we provide critical technical support for landfills, mining, chemical industry, water-conservancy, and other major national projects.
Service Matrix & Closed Loop
Building on this foundation, our professional services extend into environmental safety assessment, completing a full-cycle closed-loop service flow — from preventive monitoring through to investigation and evaluation.
Conscience-Led
Sincerity and a deep sense of social responsibility — safeguarding the safety and reliability of every project.
Technology-Empowered
Advanced detection technology and intelligent monitoring systems deliver precise data for every project.
Wisdom-Driven
Drawing on extensive engineering experience and industry insight to design rigorous, scientifically grounded solutions.
Core Business
A closed-loop service flow — from preventive monitoring to investigation & evaluation.
1New Liner Integrity Inspection
For new lining projects, SENEVEN performs precise, comprehensive geomembrane leak-detection prior to commissioning, ensuring conformance with design and controlling environmental risk at source.
2Long-Term Online Leak Monitoring
A cloud-based intelligent monitoring system delivers continuous 24/7 surveillance, detecting potential leakage early and issuing alerts before risks materialize.
3Landfill Comprehensive Assessment
In-depth stability investigation of waste piles and accurate measurement of key operational data such as leachate levels, providing a scientific basis for long-term safe operation.
4Environmental Investigation & Risk Assessment
Rapid response to potential contamination signals — professional groundwater investigation and environmental risk assessments to clarify situations and design effective remediation.
Project Achievements
Company Milestones
Three invention patents granted: "Geomembrane Anchoring Device and System", "Portable Multi-parameter Environmental Monitoring System for Solid Waste Piles" and "Intelligent Geomembrane Integrity Detection System and Method Based on Quality-adaptive and Multi-dimensional Feature Analysis"
Developed next-generation cloud-based leak-detection acquisition equipment
R&D of the multi-parameter geomembrane leak-localization monitoring system
Two invention patents granted: "Leak Analysis System for Geomembranes" and "Monitoring Sensor System for Geomembranes"
CN Invention Patent granted: "Leak Monitoring System for Geomembranes"
US Patent granted: "Leakage Monitoring System for Geomembranes" (US10429268)
Launched development of long-term geomembrane leak monitoring system
The national industry code for geomembrane leak detection in MSW landfills, with SENEVEN first among its participating drafting organizations, officially published
CMA qualification granted by Shanghai Quality & Technology Supervision Bureau; co-authored national standard for non-ferrous metal heap-leach pad lining and leachate collection
Joined industry bodies to draft Ministry of Construction industry standard on landfill geomembrane leak detection
In-house development of first-generation dipole leak detection equipment
Shanghai SENEVEN Environmental Technology Co., Ltd. founded; began geomembrane leak detection business with imported equipment
Technology Pillars
SENEVEN places technology at its core — focused on R&D of pollution-control technologies and equipment, safeguarding environmental safety through professional expertise.
Liner Integrity Inspection
In-house dipole and arc testing detectors effectively identify pinholes and damage in geomembranes, mitigating potential risks early in construction.
Long-Term Online Leak Monitoring
Cloud-based monitoring delivers continuous, remote surveillance and risk alerts, supporting long-term safe operation of containment infrastructure.
Groundwater Pollution Prevention
Combining multiple techniques to provide investigation, monitoring, and remediation programs for groundwater contamination — adapted to complex geological and environmental conditions.
Invention Patents
1 US + 6 CN invention patents — the IP backbone of SENEVEN technology
US 10,429,268 B2US Invention Patent · Leakage Monitoring System for Geomembranes
Granted by the USPTO in 2019, covering system architecture and decision logic for potential-based geomembrane leakage monitoring.
ZL 2017 1 0713260.7 · CN 107389531 BCN Invention Patent · Geomembrane Leakage Monitoring System
Core system patent for long-term online monitoring — the monitoring half of the dual-engine architecture.
ZL 2019 1 0117523.7 · CN 109856192 BCN Invention Patent · Geomembrane Sensing System
Sensor-electrode array layout and acquisition method, which sets the spatial resolution of long-term monitoring.
ZL 2019 1 0117524.1 · CN 109900744 BCN Invention Patent · Geomembrane Leakage Analysis System
Algorithm patent inverting potential-field data into leak coordinates — the basis of centimetre-level localization.
ZL 2021 1 0852572.2 · CN 115679930 BCN Invention Patent · Geomembrane Anchoring Device and System
Field-deployable anchoring structure keeping the sensing layer in long-term contact with the geomembrane.
申请号 2026100133491 · 公布号 CN 122281994 ACN Invention Patent · Portable Multi-parameter Environmental Monitoring System for Solid Waste Piles
Portable multi-parameter environmental monitoring system for solid-waste piles.
申请号 2026103041735 · 公布号 CN 122259669 ACN Invention Patent · Intelligent Geomembrane Integrity Detection System and Method Based on Quality-adaptive and Multi-dimensional Feature Analysis
Intelligent interpretation method combining data-quality adaptation with multi-dimensional feature analysis.
National & Industry Standards
First among the participating drafting organizations of the national industry code for geomembrane leak detection; co-editing organization of GB/T 51404-2019
Industry Code for Geomembrane Leak Detection
Technical specification for leak location surveys of geomembrane in MSW landfills
CJJ/T 214-2016 Foreword (p.4)
SENEVEN is listed first among the participating drafting organizations.
GB/T 51404-2019National Standard GB/T 51404-2019
Technical standard for leachate collection system of non-ferrous metal heap-leach pads
Software Copyrights
All three in-house software packages behind our survey and monitoring business lines are registered with the Copyright Protection Centre of China, completing the IP framework alongside the invention patents.
2026SR0748933SENEVEN Long-Term Leakage Monitoring System — Field Acquisition Control Software V1.0
Electrode channel switching, power control and raw-data upload.
2026-07-17
2026SR0758015SENEVEN Long-Term Leakage Monitoring System — Cloud Platform Software V1.0
Monitoring-data inversion, alarm push and operation report generation.
2026-07-21
2026SR0854594ELLMS Geomembrane Leakage Detection Cloud Platform Software V1.0
Grid data management, potential mapping and coordinate output for survey projects.
2026-08-20
Qualifications & Certifications
