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. With industry-leading 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
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
Industry standard CJJ/T 214-2016 (Technical code for geomembrane leak detection in MSW landfills), principally drafted by SENEVEN as first co-editing organization, 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 dual-electrode 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 dual-electrode and arc-test 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 + 4 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.
Authored National & Industry Standards
First co-editing organization and principal drafter of CJJ/T 214-2016; co-editing organization of GB/T 51404-2019
CJJ/T 214-2016Industry Code CJJ/T 214-2016
Technical specification for leak location surveys of geomembrane in MSW landfills
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
