01
ZT68 Aluminum Alloy Bolts
One-piece flange, cold-forged. Up to 65% weight saving with tensile strength ≈630 MPa and stable friction — the lightweighting platform.
View DetailsZhichengjia Metal Technology · Xiangyang
Engineered Fastening,Precision Built.Trusted Worldwide.
We design and manufacture high-performance bolts, rivet nuts, micro screws, thread inserts and aluminum sleeves — cold-forged to micron precision, validated for the world's toughest applications in automotive, aerospace, electronics and new energy.
~650MFasteners shipped monthly
26Validated patents
360Skilled employees
100Global customers
01
Fully In-House
Cold forging to optical sorting — zero outsourcing of core steps.
02
Automotive-Grade
IATF 16949 process discipline on every lot.
03
Micron Precision
M0.5 micro threads to 65% weight-saving bolts.
04
Global Support
Bases in China & Indonesia, service in JP/US/IN.
Strength in Numbers
The Scale Behind the Tolerance
More than two decades of cold-forging mastery, delivered at industrial volume without losing a micron.
2003
Founded in Xiangyang, Hubei
4
Global bases · CN + ID + JP/US/IN
8
In-house process steps
5
International certificates
Core Product Range
Six Engineered Fastening Platforms
Each family is cold-forged in-house and qualified to automotive-grade specifications — from lightweight high-strength bolts to micro fasteners and thread inserts.
02
Rivet Nuts
Single-sided blind riveting in about 3 seconds across multi-material stacks — clean, high-clamp threads for thin panels and closed profiles.
View Details03
Precision Micro Screws
Up to 12 secondary operations per screw and a complete plating range — the detail-level reliability consumer electronics demands.
View Details04
Thread Inserts & Wire Coils
Free-running or locking, with or without tang — restore and reinforce threads in aluminum and light alloys to national and military standards.
View Details05
Aluminum Sleeves
Multi-station cold-formed with near-net shape, superior grain flow and high material utilization for lightweight structural assemblies.
View Details06
Threaded Nested Inserts
Custom-specified inserts with external knurling and internal threads — engineered around your exact application across multiple materials.
View DetailsTotal Cost of Ownership
The 15–85 Rule: Price Is Only the Beginning
85%Hidden total cost
Visible costThe 15% you pay on the invoice.
15%Design & selectionSpecifying the right fastener the first time.
Supply chain & logisticsSourcing, warehousing, delivery reliability.
Quality & assemblyInspection, pre-assembly, installation and after-sales.
We engineer the hidden 85% down — through design consultation, process optimization and in-house validation that cuts your total cost, not just your unit price.
How We Cut the Hidden 85%Where We Fit
Fastening the Technologies of Tomorrow
Our fasteners hold together embodied-AI robots, EV battery packs, aerospace assemblies, HPC servers and more — across 12 core industries.
Embodied AI & Robotics
Lightweight, precise joints and housings for humanoid robots.
Low-Altitude Economy
Weight-critical fastening for eVTOL and drones.
HPC & AI Servers
Micro-precision joining for data-center hardware.
Aerospace
Certified-strength, high-reliability fastening.
EMS & Electronics
High-volume micro screws and assemblies.
Automotive Electronics
Vibration-resistant fastening for onboard systems.
New Energy Vehicles
Battery-pack and chassis joining with sealing.
Lightweighting
Aluminum fastening for weight and CO₂ savings.
Field Outcomes
Measured Results, Customer-Owned
Representative outcomes from our engineering engagements — the numbers behind our customer relationships.
−65% weight
Switching the battery-tray M8 to ZT68 aluminum held the clamp we needed while cutting joint weight by two thirds.
NE
New-Energy VehiclePowertrain engineering
¥375,000 / yr
Converting a machined part to cold forging cut unit cost by ¥0.75 — a single part, a six-figure annual saving.
SC
Supply-Chain ManagerIndustrial components
≈3 sec / install
The rivet nut gave our 1 mm panels a clean blind-side thread in seconds — no welding, no distortion.
AP
Appliance OEMSheet-metal assembly
In-house material laboratoryR&D & Innovation
26+ Patents, One Engineering Culture
Our R&D team converts real manufacturing insight into patents that measurably improve efficiency and quality for our customers.
Automatic sorting & packaging
Efficiency +35%
Deep-hole machining
Efficiency +15%
Spring-pin auto assembly
Efficiency +30%
Thread insert & locking designs
Reliability & repairability
TORXplus® Drive SystemValued licensee since July 2020
See Our Process Technology
Uncompromising Quality
Validated. Certified. Traceable.
Every lot passes in-house optical sorting and tensile, salt-spray and friction testing — backed by five international management-system certificates.
ISO 9001Quality management
IATF 16949Automotive quality
ISO 14001Environmental mgmt
ISO 45001Occupational safety
IECQ QC 080000Hazardous substance
Milestones
Precision Since 2003
2003
Founded in Xiangyang
Zhichengjia Metal Technology established in Gucheng County, Xiangyang, Hubei.
2005
Operations launched
Precision cold-forming operations established — the foundation of in-house manufacturing.
2008
Quality certified
Achieved international quality certification; began serving export customers.
2013
Automotive-grade
Achieved IATF 16949; expanded into vehicle and powertrain applications.
2017
Micro-precision scaling
Dedicated micro lines and automated optical sorting for high-volume precision.
2023
New-energy focus
Launched aluminum and lightweight platforms for EVs and low-carbon industries.
2025
Xiangyang expansion
Expanded Xiangyang capacity; global customer base continued to grow.
Today
Global precision partner
650M+ pieces monthly, 26+ patents, serving 100+ customers in 12 industries.
More Than a Supplier
Six Value-Added Services
Engineering support that cuts design time, quality cost and total cost of ownership — from first sketch to qualified volume.
Professional Training
Design efficiency +20%, customer quality cost −15%.
Design Consultation
Co-engineering joints to accelerate design by +30%.
Rapid Prototypes
In-house samples in as fast as 1 day, first articles in a week.
Professional Testing
Salt-spray & aging reports in 1–2 days, free for regulars.
Disassembly Analysis
Performance +10%, safety +15% through teardown study.
Process Optimization
CNC→cold forging cuts cost ~20%; a ¥375,000/yr case.
News & Insights
From Our Workshop
Sep 18, 2026
Fewer Parts, Stronger Joints: The Aluminum Sleeve Way
Combining a stud, a bushing and a washer into one cold-formed sleeve — fewer parts, fewer tolerance stacks, lower assembly cost.
Read moreSep 16, 2026
The Invisible Nut: 3 Seconds on a 1 mm Sheet
Thin panels can't be tapped and you can't reach the back. Our rivet nuts put a clean thread on a 1 mm sheet in about 3 seconds.
Read moreJul 1, 2026
TORXplus® Licensed: Premium Torque Transfers
As a valued TORXplus® licensee, we offer high torque-transfer drive systems for heavy-duty, high-precision assemblies.
Read moreReady to engineer the hidden 85% out of your fastening cost?
Send us your drawings, samples or target specifications. Our engineering team will respond with design consultation, prototyping and a qualified quotation.
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