Professional Automatic Sewing Machine Supplier

A B O U T U S

AN ADVANCED BRAND OF SEWING MACHINE PARTS——STRONG H

STRONG H MACHINERY TECHNOLOGY CO.,LTD is an exclusively foreign-owned enterprise founded in 1996.The company manufactures ten thousands products of nine series including edge, needle plate, feed dog, presser foot, needle clamp, knives for embroidery sewing machines and Sewing Machine Automatic Device, Sewing Automatic Equipment and Others for worldwide customers.

25

Years Effort
1300

Employees
50000

Factory Size

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ENGINEERED FOR PRECISION. BUILT FOR RELIABLE SEWING SOLUTIONS

From industrial sewing machine spare parts to automatic devices and sewing automation equipment, Strong H combines long-term manufacturing experience, ISO9001-based

quality control, lean production, and continuous R&D investment to deliver dependable products and one-stop solutions for customers worldwide.

Proven Manufacturing Experience
Quality Control You Can Trust
Driven by R&D and Lean Production
One-Stop Support for Global Customers

Proven Manufacturing Experience

Founded in 1996, Strong H has developed into an advanced brand of sewing machine parts, manufacturing a wide range of industrial sewing machine spare parts, automatic devices, and sewing automatic equipment for global customers. With long-term industry focus and large-scale production capability, we support stable supply across diverse application needs.
Quality Control You Can Trust

Quality First is at the core of our management philosophy. Strong H implements total quality control under the ISO9001 system, with inspection coverage spanning incoming materials, in-process production, finished products, and delivery. Supported by imported testing equipment and the three-inspection system including IQC, IPQC, and OQC, we work to deliver more consistent product quality and faster corrective response.
Driven by R&D and Lean Production

Our technical R&D team includes more than 50 experienced professionals, and the company holds more than 90 patents in force. Backed by advanced process software, CNC machining centers, heat-treatment control systems, six-axis manipulators, and high-precision equipment such as MAZAK and SODICK machines, we continuously optimize product design and production efficiency to meet changing customer needs.
One-Stop Support for Global Customers

Strong H provides integrated support covering product design, development, quality assurance, and after-sales service. With products exported to Southeast Asia, Japan, Europe, the United States, the Middle East, Africa, and other markets, we have become a strategic supplier to major sewing machine manufacturers worldwide.

Comprehensive Control
Establishing a closed-loop quality management system that spans the entire value chain—from raw material selection to finished product dispatch.
Precision Measurement

Utilizing internationally advanced precision inspection instruments, such as calipers and templates, to ensure that all measurement data is accurate and reliable.
Performance Verification

Subjecting products to rigorous, multi-dimensional limit testing that encompasses dimensional accuracy, hardness, mechanical properties, and more.
Multi-tiered Inspection

Implementing a layered, step-by-step inspection process that includes visual checks, dimensional re-verification, chemical composition analysis, and non-destructive testing.

“STRONG H’s components are not only uniquely designed, but their consistently high quality has also enabled seamless replacement across our factories in multiple countries; they are a trustworthy long-term partner.”

Purchasing Director
Globally Renowned Textile Manufacturing Group
“From design and development to quality control, their highly competitive one-stop solutions have significantly optimized our supply chain efficiency.”

Supply Chain Manager
Leading Industrial Automation Equipment Enterprise
“We were deeply impressed by the durability and precision of their products; STRONG H has become our preferred supplier for critical machine components.”

Head of Technical Department
International Commercial Sewing Machine Brand