Hairsprings for Pressure Gauges & Measuring Instruments
Custom instrument hairsprings made to your drawings or samples. Send us your material, dimensions, torque requirements and quantity to discuss your application.
Two Decades of Precision Manufacturing Forging Industry Excellence
Founded in the early 2000s, Kunshan Xintao Precision Parts Co., Ltd. is a modern precision parts manufacturing enterprise integrating R&D, production, and sales. We focus on the production of various precision hairsprings, which are widely used in automotive instruments, motorcycle instruments, industrial measuring instruments, and high-end medical equipment.
With advanced production equipment, exquisite manufacturing technology, and strict quality management systems, we have become a designated supplier for many well-known instrument brands at home and abroad.
Precision Manufacturing
Using imported high-precision CNC equipment to ensure hairspring dimensional accuracy reaches micron level, meeting strict industrial standards.
Quality Assurance
Passed ISO9001 and IATF16949 quality system certifications, strictly controlled throughout the process, with a product pass rate of 99.8%.
Customized Solutions
Providing comprehensive customization services from material selection to specification design to meet special application needs.
Efficient Delivery
Optimized production processes and sufficient raw material reserves ensure rapid order response and on-time delivery.
Factory Tour & Facilities
Quality is the core of our precision components. Every batch of products undergoes rigorous testing using our standardized inspection equipment. We conduct comprehensive tests for torque, elasticity, fatigue resistance, and dimensional accuracy to ensure every hairspring and Bourdon tube meets international industrial standards before leaving our facility.
Industry Applications & Core Products
Discover our specialized range of precision components engineered for demanding industrial, electrical, and mechanical applications.
High-precision flat wires with strict tolerances for industrial applications.
- Materials: Phosphor Bronze, Stainless Steel, Beryllium Copper, Ni-Span-C 902
- Thickness: 0.01mm - 0.5mm
- Width: 0.1mm - 2mm
- Precision Tolerance: ±0.001mm
Designed for precision electrical meters including ammeters, voltmeters, frequency meters, and multimeters.
- Materials: Phosphor Bronze, Beryllium Copper, Stainless Steel, Ni-Span-C 902
- OD: 6.5mm - 20mm
- ID: 2mm - 8mm
- Turns: 2.5 - 10
- Torque: 3 - 1000 mg.cm/90°
High-durability hairsprings for mechanical applications such as pressure gauges, dial indicators, micrometers, tachometers, timers, and aviation instruments.
- Materials: Stainless Steel, Phosphor Bronze, Beryllium Copper, Ni-Span-C 902
- OD: 7mm - 52mm
- Collet ID: 0.75mm - 6mm
- Collet OD: 2.5mm - 6mm
- Torque: 5 - 5000 mg.cm/90°
- Bending Angle: Tangent 5mm-10mm / 90° Bend 5mm-10mm
Reliable flat Bourdon tubes engineered for accurate pressure display instruments.
- Materials: SUS304 Stainless Steel, QSN8-0.2
- Display Pressure: 0.5 - 40 Mpa
- Rotation: 60° - 270°
Precision thermal components for current measurement and bimetallic temperature instruments.
- Materials: QSN8-0.2, QSN4-3
- Temperature Range: -30°C to 450°C
- Rotation: 20° - 330°
Highly sensitive bimetallic hairsprings providing excellent consistency for temperature display instruments.
- Materials: Imported EMS and high-quality domestic materials
- Features: High sensitivity, excellent consistency and stability
- Operating Temperature: -20°C to 300°C
Looking for hairspring products meeting your special specifications?
Our engineering team is always ready to provide you with professional technical support and customized solutions. From sample prototyping to mass production, we escort you throughout the process.Phone: +86 512 57632525 | Email: sales_xintao@hotmail.com