About SAD
About Us
About SAD
About Us
SAD (Zhejiang Shidian Complete Electrical Equipment Co., Ltd.) is a professional manufacturer and supplier of complete electrical equipment headquartered in Zhejiang, China. Quality-driven and customer-focused, we serve industries including manufacturing, urban infrastructure and renewable energy. Website: 21b.cn
5 Categories
Product Range
Full Lifecycle
Professional Service
Strict Standards
Quality Control
01
Quality First
Strict quality management system certified to ISO 9001:2015, every product passes rigorous type tests.
02
Customer Focused
From quotation to after-sales, we provide full lifecycle services tailored to every project's unique needs.
03
Continuous Innovation
Keeping pace with smart grid and renewable energy trends, continuously upgrading our product portfolio and technical capabilities.
Quality Assurance
Certifications
Backed by internationally recognised certifications and type test reports — ensuring every product meets the highest safety and compliance standards.
ISO 9001:2015 Quality Management System
- Certificate No.
- CNCA-R-2024-XXXXX
- Issuing Body
- China Quality Certification Centre (CQC)
- Applicable Scope
- R&D, manufacturing and sales of complete electrical equipment
Box-type Substation Type Test Report
- Certificate No.
- TEST-YBM-2023-XXXX
- Issuing Body
- National Electrical Equipment Quality Inspection Institute
- Applicable Scope
- YBM-series American & European box substations
HV Switchgear Type Test Report
- Certificate No.
- TEST-KYN-2023-XXXX
- Issuing Body
- National HV Apparatus Quality Inspection Centre
- Applicable Scope
- KYN28A-12 armoured withdrawable switchgear
LV Distribution Panel Type Test Report
- Certificate No.
- TEST-GGD-2023-XXXX
- Issuing Body
- National LV Apparatus Quality Inspection Centre
- Applicable Scope
- GGD-series fixed low-voltage switchgear
China Compulsory Certification (CCC)
- Certificate No.
- CCC-2023-XXXXXXXX
- Issuing Body
- China Quality Certification Centre (CQC)
- Applicable Scope
- Circuit breakers, RCDs and other LV apparatus
State Grid Qualified Supplier
- Certificate No.
- SG-SUP-XXXX-XXXX
- Issuing Body
- State Grid Corporation of China
- Applicable Scope
- Transmission & distribution equipment and materials
Brand Partnerships
Partner Brands
Deep collaboration with leading global and domestic electrical brands to ensure component quality and traceability.
Get in Touch
Contact Us
For product inquiries, quotations or technical support, please reach us through the channels below.
Contact Us →