Won the fitle of national high-tech enterprise in. 2022
Won the title of "Science and Technology
Little Giant" in 2023
Product Categories
Product Center
We have established long-term cooperative relations with many enterprises.
Crafted from high-grade stainless steel for enhanced durability.
Resists rust and corrosion in demanding...
●Customizable
●Excellent material
●Stable structure
●Various specifications
●Customizable
●Excellent material
●Stable structure
●Various specifications
GRANGIN Finished Bore Sprocket is a precision component for power transmission systems.
It allows full...
●Customizable
●Excellent material
●Stable structure
●Various specifications
●Customizable
●Excellent material
●Stable structure
●Various specifications
●Customizable
●Excellent material
●Stable structure
●Various specifications
●Customizable
●Excellent material
●Stable structure
●Various specifications
Focus on non-standard customized parts
20 years of specialization in automation
Top 5 custom automation parts Manufacturer in China
Certified with ISO 9001, ISO 45001, and ISO 14001 quality standards
Multi-awarded as "Integrity Enterprise" and "Grade-A Taxpayer" by authorities
10000 +
Factory Area
100 +
Team Members
25000 +
Month Output Piece
20 +
Glorious Years
Why choose us
Why GRANGIN? -- Excellence, Undeniable.
GRANGIN is a leading Chinese manufacturer of custom automation components,
powered by a nationally Top 5-ranked factory and a lean supply chain ecosystem. We specialize in agile
product development and precision manufacturing of tailored parts, delivering end-to-end solutions for your
cyclic production demands.
Expert Customization Capabilities
Accommodates diverse size and quantity requirements Chief Engineer with 30+ years in automation expertise Average engineering team tenure exceeding 15 years Comprehensive 3D custom design blueprints provided
Reliable Custom Service
12-hour response guarantee for all inquiries Prompt quotation & customized solution feedback Seamless collaboration between sales & technical teams
Rapid Delivery Assurance
Priority Fast-Track for Urgent Orders Optimized production scheduling coordination Strict adherence to precision, hardness & quality standards
High-Value Solutions
Direct manufacturer with specialized technical strength 25+ QC professionals enforcing rigorous quality control Continuously refined production processes Custom cost efficiency for clients
Our History
20+ years of dedication to the global custom parts
field
-
- The predecessor of Zhejiang Guangjin Intelligent Technology Co.,Ltd., "Shengzhou Lianxin Gear Factory", was established, specializing in various transmission parts and machining products.
In 2005 -
- Mr. Wei Zhaoxin, the founder, planned to integrate upstream and downstream industries and acquired the collective factory "Shengzhou Postal Communication Equipment Factory" established in 1985, which specialized in various conveying equipment. Meanwhile, "Shengzhou Lianxin Gear Factory" provided some of the required components, making the upstream and downstream integration more smooth and convenient.
In 2016 -
- "Shengzhou Lianxin Gear Factory" was renamed "Zhejiang Guangjin Intelligent Technology Co., Ltd.", mainly engaged in various transmission parts, automation parts, sheet metal parts, machining products, automation equipment, etc., and officially entered the foreign trade import and export business.
In 2019 -
- Awarded the national high - tech enterprise.
In 2022 -
- Awarded the "Technology Giant".
In 2023
Our Honor
20+ years of dedication to the global custom parts field
Product Application
Warmly welcome friends from all walks of life to visit, investigate and negotiate business!
Aircraft Manufacturing
Automotive
Conveying Equipment
Elevator
Garment Factory
Lifting Equipment
Mechanical Manufacturing Equipment
Mould Equipment
Railway
Shipyard
Video Center
Warmly welcome friends from all walks of life to visit, investigate and negotiate business!
Material Preparation
With a 2,000-square-meter material preparation warehouse, we store various cutting tools, molds, testing tools, and components, ensuring ample inventory. This helps you establish a leading position in the mechanical components industry.
Packaging
Grangin uses 100% export-grade packaging, which is solid and designed to prevent damage from collisions, ensuring products are delivered to customers smoothly and intact. Equipped with over 150 sets of machinery and equipment, we achieve full-chain independent processing of components, supporting customized production based on provided materials or drawings.
Testing
We are equipped with professional testing equipment such as coordinate measuring machines, gear profile testers, and hardness testers. Each product undergoes three manual inspections, resulting in a qualified rate far exceeding the industry average.
News Center
Official certification, professional after sales service.
Oct 22, 2025
With China's rapidly developing manufacturing industry, gears, as core components in mechanical transmission syst...
Oct 13, 2025
In mechanical transmission systems, gears and sprockets share the same goal-converting and transmitting torque and sp...
Sep 24, 2025
The global gear manufacturing industry plays a crucial role in modern machinery, supporting sectors such as automotiv...
Sep 22, 2025
In today's global manufacturing landscape, helical gear manufacturers play a critical role in driving industrial auto...