About Us

About Tianyue

Founded in 2022, Tianyue Intelligent Manufacturing encompasses Xi'an Xijin Electric (est. 1993) and Xi'an Tianyue Surface Technology (est. 2024). We specialize in high-voltage switch components and metal surface treatment. Our products are validated through decades of continuous service in China's national grid — one of the world's largest and most demanding high-voltage power markets.

10,000+ ㎡

Factory Area

150

Employees

30+ Years

Experience

Tech Team

Our Companies

Xi'an Xijin Electric Co., Ltd.

Est. 1993

Xi'an Xijin Electric Co., Ltd. — Established in 1993, specializing in high-voltage switch conductors, welded conductors, coils, electromagnets, contacts, shields, and other core components. Long-term framework supplier to XD Electric Group, Henan Pinggao, Shandong Hitachi, and other industry leaders with hundreds of thousands of components delivered over 30 years.

Xi'an Tianyue Surface Technology Co., Ltd.

Est. 2024, 10M RMB Investment

Xi'an Tianyue Surface Technology Co., Ltd. — Established in 2024 with a 10M RMB investment in a professional surface treatment line. Specializing in silver plating, tin plating, anodizing, and conductive oxidation for high-precision, high-reliability electrical component surface treatment.

Our manufacturing base is located in Building G9, Jiuli Industrial Smart Manufacturing Park, Xingping City, Shaanxi Province, covering over 10,000 ㎡. Equipped with CNC machining centers, CNC lathes, wire EDM, and CMM. Three-tier quality system: incoming inspection (OES analysis / hardness) → in-process inspection (first-article full dimensional report) → final inspection (contact resistance at 100A DC / dimensional / visual).

Manufacturing Capability

Voltage Range

110kV~1100kV

GIS / Circuit Breaker / Disconnector

Materials

T2 Cu / TU1 OF Cu

6061-T6 / 6063-T6 Aluminum

Surface Treatment

Ag Plating 10~20μm

Anodizing / Conversion Coating

Annual Capacity

10,000+ Units

Including UHV Projects

Supply Chain Position

01 / Stage

Cu / Al / Ag

Raw Material Suppliers

T2 Copper, 6061 Aluminum, Fine Silver

02 / Stage

Tianyue Precision Mfg

Component Manufacturing

CNC · Welding · Plating · Assembly

03 / Stage

Switchgear OEMs

System Integration

XD Electric · Pinggao · Hitachi · Toshiba · Sieyuan

04 / Stage

Grid Operators

Operation & Maintenance

State Grid · China Southern Grid · Global Utilities

Quality System

ISO 9001 — Quality Management

Certified since 2006

Initial

ISO 14001 — Environmental Management

Certified since 2017

Active

OHSAS 18001 — Occupational Health & Safety

Certified since 2017

Active

Incoming inspection (OES analysis / hardness) → In-process inspection (first-article dimensional report) → Final inspection (contact resistance at 100A DC / dimensional / visual). Inspection reports provided for every batch.

Looking for a Proven High-Voltage Switchgear Component Partner?

30+ Years Manufacturing · 110kV~1100kV Full Range · Validated Across Major Grid Projects