HIGH QUALITY

Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.

DEVELOPMENT

Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.

MANUFACTURING

Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.

100% SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

WHO WE ARE & WHY CHOOSE US

China high quality SF6 Recovery System & SF6 Gas Tester suppliers

Shanghai Kstone S&T Development Co .,LTD.

Manufacturer of SF6 testing instruments and equipment with the most complete range of products from China, with 13 years of professional experience Company Profile Leading SF6 testing equipment manufacturer (with over 1000 customers all over the world) Passed ISO9001 new version certification Double soft certification enterprise National level high-tech enterprise, specialized and innovative ...

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Introduction

SF6 leak detector, dew point meter, comprehensive testing instrument, recovery vacuum separation and purification device

Service

Customized Professional Project Solutions, Supply of High-quality Equipment, Efficient On-site Commissioning, and Comprehensive After-sales Maintenance Support

History

13-Year Expert SF₆ Testing Equipment Manufacturer (China) Full product line | 1,000+ global clients | ISO9001 & national high-tech certified Standard-setting participant (national/industry/group levels) State Grid recommended supplier | Dual industry association member Products: SF₆/C₄F₇N gas detectors, recovery/purification/filling devices

Our Team

A 20-person technical R&D team, comprising senior engineers with 8+ years of experience, drives product iteration and technology exploration. Operating across hardware, software, and testing groups, the team allocates 30% of resources to upgrading existing products—like improving SF6 analyzer accuracy by 15%—and 70% to new projects such as next-gen fluorine gas sensors and AI analysis systems.

KSTONE: A Leading Force in Gas Analysis, Treatment and Application Equipment Industry

KSTONE, a professional manufacturer of gas analysis, treatment and application equipment for SF6, 134A, hydrogen and other key gases, stands out as a leader in multiple industrial segments. It has been accredited as: Shanghai Specialized, Refined, Characteristic and Innovative SME Shanghai High-Tech ...

Kstone Technology: 13 Years of Innovation, Nearly 20 Patents

After 13 years of dedicated R&D and innovation, Shanghai Kstone S&T Development Co., Ltd. (Kstone Technology) has secured nearly 20 invention patents, mainly focusing on halogen gas, SF6-related equipment, drying equipment, as well as online monitoring, gas mixing, recovery, separation and ...

KSTONE has been awarded the title of Shanghai Specialized, Sophisticated, Unique and Innovative Enterprise.

The term "Specialized, Sophisticated, Unique and Innovative" refers to the development characteristics of enterprises, namely specialization, refinement, distinctiveness, and innovativeness. Through policy support and resource inclination, Shanghai promotes the development of small and medium-sized ...

Shanghai Kstone S&T Development Co .,LTD.

info@kstone-sf6.com

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