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 for the power industry.

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

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 Reliable High-Voltage Switch Component Supplier?

30+ Years · 110kV~1100kV Full Range · Trusted by XD Electric, Pinggao & Hitachi