Products

About Us
Chinese Power Automation
and Lightning Protection Solutions Provider

Since its founding in 1992, our company has been committed to the high-tech industry, integrating R&D, manufacturing, marketing, and service into a comprehensive operation. We specialize in producing cutting-edge products, including:

Power Surge Protective Devices (SPDs)

Signal Surge Protective Devices

Lightning Protection Enclosures

Power Distribution Cabinets

Intelligent Power Distribution Units (PDUs)

Transmitters

Automatic Circuit Reclosers (ACRs)

DC Contactors

Integrated Substation Automation Systems (ISAS)

Microprocessor-Based Protective Relays

Our company has been consistently awarded contracts for roadside equipment enclosures and smart pedestrian crossing systems in domestic and international markets. We have earned prestigious accolades such as the "Suzhou Top Brand Product" and the establishment of the "Engineering Research Center for Intelligent Power Surge Protection Monitoring Systems."

We actively expand our business across critical industries, including power utilities, rail transportation, security, and intelligent transportation systems (ITS), delivering:

Comprehensive industrial automation control solutions

Advanced AI-based recognition technologies

High-performance surge protection devices

High-voltage DC contactors and related product series.

Mission
Committed to safeguarding human lives and infrastructure.
Vision
Building an enterprise that flourishes across generations.
Core Values
Integrity • Accountability • Innovation• Shared Success
Authentication
Authentication

Globally Certified. Systematically Engineered. Powerfully Protected.

Certificate of honor
Importance
Official Statement:
Official Statement of Suzhou Industrial Park Kejia Automation Co., Ltd.
Company Identification:
Full Legal Name: Suzhou Industrial Park Kejia Automation Co., Ltd.
Approved Abbreviations: 科佳 / KEJIA / 苏州科佳 / 科佳电气 /
Sole Subsidiary: Nanjing Branch of Suzhou Industrial Park Kejia Automation Co., Ltd.
Official Channels for Verification:
Website: www.kejia.cn
Contact:• Tel: +86 180-1316-0752• Email: sale@kejia.com• Landline: +86 512-6515-1966
Legal Notice:
Any unauthorized use of our company name, abbreviations ("Kejia" or variants), or intellectual property for promotional/sales activities by third parties constitutes infringement. We reserve the right to pursue legal action against such entities to protect our rights and interests.
Consumer Alert:
Customers are advised to verify transactions exclusively through our official channels to prevent fraud.
Shanghai Certifies Kejia SPDs as Low-Risk
To promote the healthy and orderly development of the Surge Protective Device (SPD) industry, fully leverage the self-regulatory role of the industry, and ensure public safety in lightning protection, the Shanghai Lightning Protection Association conducted a quality risk assessment of SPD products manufactured and sold by its member companies.
Suzhou Industrial Park Kejia Automation Co., Ltd. (hereinafter referred to as Kejia Electric) passed the review by the Shanghai Lightning Protection Association due to its strong technical capabilities and comprehensive service system. Among its products, the KDY series surge protective devices were classified as Category I (low-risk) products by the association.
Join us
Join us
Submit your job application resume
We inspire every team member t
We offer comprehensive benefits, including six social insurances & housing fund, weekends off, holiday perks, uniforms, meals, company trips, and health checkups. Together, we pursue excellence and create an enviable quality of life.
0512-67481950
xiongtt@kejia.com
No. 59 Heshun Road, Suzhou Industrial Park, Jiangsu, China
SPD Design Engineer 丨10-15K
SUZHOU

Job requirements:

1、Education: Bachelor’s degree or above in Lightning Protection, Surge Protection, or related fields.

2、Experience: Minimum 2 years of hands-on experience in SPD design and development.

3、Preferred Skills:

Knowledge of manufacturing processes and familiarity with relevant industry standards (e.g., IEC, UL).

Prior experience in lightning protection systems (LPS) is a plus.

4、Highly Desirable:

Proven track record in independent SPD product R&D.

5、Language: Strong English reading proficiency (for technical documentation).

6、Personal Attributes:

Responsible, ethics-driven, and detail-oriented.

Calm, meticulous, and team-collaborative mindset

Responsibility:

Technical Optimization:

Analyze and enhance the performance of existing SPD products through design improvements and component upgrades.

New Product Development:

Lead end-to-end R&D of next-generation surge protection devices, from conceptual design to prototyping and testing.

Project Leadership:

Manage cross-functional SPD development projects, ensuring timely delivery while coordinating with production, QA, and sales teams.

SPD R&D Engineer丨8-10K
SUZHOU

Job requirements:

1. Education:

Bachelor's degree or higher in Lightning Protection, Electrical Engineering (Power Systems),or related fields.

2. Experience:

Minimum 2 years of hands-on experience in Surge Protective Device (SPD) design & development.

3. Preferred Qualifications:

Knowledge of manufacturing processes (e.g., PCB assembly, metal oxide varistor processing)

Familiarity with international standards (IEC 61643, UL 1449, GB/T 18802)

Lightning Protection System (LPS) experience is a strong plus

4. Advanced Preference:

Proven track record in independent SPD product R&D cycles (from concept to certification)

5. Language Skills:

Fluent technical English reading (for standards/documentation)

6. Personal Attributes:

High accountability & engineering ethics

Detail-oriented with analytical mindset

Team player with dedication spirit

Responsibility:

Technical analysis and improvement of existing company products

Research and development of new company products

R&D project management and coordination

Surge Protection Sales Enginee
SuZhou/SangHai/HangZhou/BeiJing

Job requirements:

1. Bachelor's degree or above in Lightning Protection, Surge Protection or related majors.

2. Minimum 2 years of experience in surge protective device (SPD) design and development.

3. Priority given to candidates with:

- Knowledge of manufacturing processes

- Familiarity with relevant standards

- Experience in lightning protection systems

4. Preference for those with independent R&D experience in surge protection products.

5. Strong English reading skills (for technical documents).

6. Professional traits: Responsibility, work ethics, calm personality, attention to detail, and dedication.

Responsibility:

1. Technical Analysis & Improvement of existing products

2. R&D of new products

3. Project Management & Coordination for R&D

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