Company Profile
About KSTONE
KSTONE is a professional manufacturer specializing in SF6 testing
instruments, gas handling equipment, and eco-friendly gas solutions
for the global power industry.
With over 13 years of professional experience, KSTONE has become
one of the leading manufacturers in China with one of the most
complete product ranges in the SF6 industry.
We provide reliable equipment and technical solutions for GIS
manufacturers, switchgear companies, electrical utilities,
high-voltage testing organizations, and industrial maintenance
service providers worldwide.
Today, KSTONE products serve more than 1000 customers across global
markets.
Our Product Range
Our main products include:
- SF6 Leak Detectors
- SF6 Dew Point Meters
- SF6 Comprehensive Testing Instruments
- SF6 Recovery, Vacuum, Separation & Purification Systems
- SF6 Mixed Gas Filling Devices
- Density Relay Calibration Equipment
- Vacuum Pumping Systems
- C4F7N Gas Instruments & Equipment
- Eco-Friendly Gas Handling Solutions
All products are designed for industrial applications in GIS,
switchgear, and power equipment maintenance.
Certifications & Qualifications
KSTONE has obtained:
- ISO9001 Quality Management System Certification
- National High-Tech Enterprise Certification
- Specialized & Innovative Enterprise Certification
- National Technology-Based SME Certification
- Double Soft Certification Enterprise
These recognitions reflect our continuous investment in technology,
product development, and manufacturing quality.
Industry Standards Participation
KSTONE actively participates in the development and revision of
national and industry technical standards for SF6 and
environmentally friendly gas technologies.
National Standard Participation
- GB/T11023-2018
High Voltage Switchgear — SF6 Gas Sealing Test Method
Industry Standards of the Energy Administration of the People’s
Republic of China
- DL/T1366-2023
Sulfur Hexafluoride Gas for Power Equipment - DL/T2756-2024
Guidelines for Detection and Recovery of Sulfur Hexafluoride and
Its Mixtures for Electrical Equipment - DL/T1353-2024
Technical Specification Standard for Sulfur Hexafluoride Treatment
Systems
Group Standard Participation
- Technical Specification Standard for Perfluoroisobutyronitrile
(C4F7N) Gas Replenishment Devices
Industry Recognition
- Recommended Manufacturer of SF6 Mixed Gas GIS Tools for State Grid
Corporation of China (2022 No.290)
- Member of China Electrical Equipment Industry Association
- Member of China Fluorosilicon Organic Materials Industry
Association
Trusted By / Our Customers
Supporting global customers in power transmission and gas handling
applications.
Our Mission
KSTONE is committed to providing reliable, efficient, and
environmentally responsible gas handling solutions for the global
power industry.
We continue to focus on SF6 management technologies and
next-generation eco-friendly gas applications to support safer and
greener electrical systems worldwide.
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