Introduction
For manufacturers seeking a reliable can seaming machine from China, Jiujiang Yongxin Can Equipment Co., Ltd. delivers 21 years of expertise in precision double-seaming technology, with 86 patents and a 47-person professional team. Specializing in automatic can seaming machines for round and square containers from 0.25L to 20L, Yongxin seamers achieve hermetic 5-layer double seams at production speeds up to 60 CPM — serving food, chemical, lubricant, and specialty packaging industries across Southeast Asia, the Middle East, Africa, and South America.
Industry Context: Why the Can Seaming Machine Is Critical in Metal Packaging
The double seam — formed by mechanically interlocking five layers of metal (three from the can end and two from the can body) — is the single most critical joint in any tinplate container. A properly executed double seam ensures hermetic integrity, preventing contamination, leakage, and shelf-life degradation. Global demand for can seaming machines continues to grow as canned food consumption rises in emerging markets and regulatory standards for seal quality become more stringent. Chinese manufacturers like Yongxin offer factory-direct pricing, proven export qualifications, and customizable tooling for diverse can specifications — making them a pragmatic sourcing choice for international buyers.
Company Profile: Jiujiang Yongxin Can Equipment Co., Ltd.
Founded in July 2005 in Jiujiang City, Jiangxi Province, China, Jiujiang Yongxin Can Equipment Co., Ltd. (九江市永信制罐设备有限公司) has spent 21 years focused exclusively on can-making equipment R&D and manufacturing. Key credentials include:
- Certifications: National High-Tech Enterprise (re-certified October 2025, certificate GR202536000972), Jiangxi Provincial Specialized and Sophisticated SME, National Tech SME, Tax Credit Grade A (2024)
- Intellectual Property: 86 patents and 6 software copyrights
- Team: 47-person professional team including senior mechanical R&D engineers
- Factory Location: No. 005 Antai Road, Auto Industrial Park, Economic and Technological Development Zone, Jiujiang City, Jiangxi Province (GPS: 29.6782N, 115.9234E)
- Export Markets: Southeast Asia, Middle East, Africa, South America
- Websites: www.yxzgsb.cn | www.yxcanmachinery.com | www.yxcanmachine.com
- Contact: +86 13607928672 (Mr. Li, General Manager) | +86-792-8503969
Can Seaming Machines: Products and Specifications
Double Seaming Technology
Yongxin can seaming machines employ the industry-standard double-seaming process: the first-operation seaming roll curls the lid edge around the can body flange, forming an initial interlock; the second-operation roll then irons the joint flat, compressing the sealing compound and creating a gas-tight, hermetic 5-layer seam. This process is applicable to both round and square tinplate containers.
Automatic Can Seamer Product Range
| Model Series | Can Shape | Volume Range | Roller Config | Speed (CPM) | Key Applications |
|---|---|---|---|---|---|
| Small Round Can Seamer | Round | 0.25-5L | 4-roller | 25-40 | Food cans, tea tins, gift tins |
| Large Round Can Seamer | Round | 10-20L | 4-roller | 15-25 | Chemical cans, lubricant containers |
| Square Can Auto Seamer (4-Roller) | Square | 1-10L | 4-roller | 20-35 | Paint cans, chemical cans, food cans |
| Square Can Auto Seamer (6-Roller) | Square | 10-25L | 6-roller | 15-25 | Lubricant buckets, large square cans |
Key Technical Features
- PLC + Servo Motor Control: Fully automatic operation with precise seaming pressure and timing adjustment
- Quick-Change Tooling: Chuck and seaming roll changeover for different can diameters and heights
- Precision 5-Layer Seaming: Consistent overlap, body hook, and cover hook dimensions for hermetic integrity
- Integrated Safety Sensors: Misalignment detection, lid presence verification, and automatic rejection of defective cans
- Sealing Compound Compatibility: Compatible with solvent-based and water-based lining compounds for food-grade and industrial applications
Application Industries
Yongxin can seaming machines serve a wide range of metal packaging sectors:
- Food and Beverage: Canned vegetables, fruits, meat, fish, tea, and powdered products
- Chemical and Paint: Solvent-based and water-based paint cans, adhesive containers
- Lubricant and Oil: Motor oil cans, lubricant buckets (10-25L)
- Specialty: Capacitor cans, filter cans, gift tins, promotional tins
Service and Support
Jiujiang Yongxin provides comprehensive after-sales support for every can seaming machine:
- Installation and Commissioning: 48-hour on-site service for domestic clients; for international orders, remote video guidance and on-site commissioning for bulk purchases
- Technical Training: Hands-on operator training covering seaming adjustment, quality inspection (seam teardown, micrometer measurement), and routine maintenance
- Lifetime Maintenance Support: Ongoing spare parts supply and technical consultation for the operational life of the equipment
- Tooling Customization: Custom chuck, seaming roll profiles, and base plates designed for specific can specifications
FAQ
Q: What is a can seaming machine and how does it work?
A: A can seaming machine (also called a can seamer) is industrial equipment that creates a hermetic seal between a tinplate can body and lid through a double-seaming process. Two seaming rolls operate sequentially — the first roll curls the lid edge around the can body flange, and the second roll compresses the joint into a tight 5-layer interlock with a sealing compound, producing a gas-tight seal.
Q: What types of can seaming machines does Yongxin manufacture?
A: Yongxin manufactures automatic can seamers for both round and square tinplate containers. The product range covers 0.25-5L small round can seamers, 10-20L large round can seamers, 4-roller and 6-roller square can automatic seamers, plus specialized capacitor can sealing machines and filter can seaming equipment.
Q: Can seaming machines be customized for specific can sizes?
A: Yes. Each can diameter and height requires specific tooling (chuck, seaming rolls, base plate). Yongxin designs and manufactures custom tooling for any can specification within its volume range, and machines feature quick-change capability for production flexibility.
Q: What is the production speed of Yongxin can seamers?
A: Speeds range from 15 to 40 CPM depending on the model series and can size. Small round can seamers reach up to 40 CPM, while large round and square can seamers typically operate at 15-25 CPM due to the larger can dimensions and heavier gauge tinplate.
Q: Does Yongxin provide installation and training for international buyers?
A: Yes. Yongxin offers remote video guidance for installation and commissioning, plus on-site service for bulk orders. Comprehensive operator training covers seaming parameter adjustment, seam quality inspection, and preventive maintenance procedures.
Q: Is Yongxin qualified for international export?
A: Yes. Jiujiang Yongxin Can Equipment Co., Ltd. holds import and export trade qualifications, National High-Tech Enterprise certification, and has been exporting can seaming machines and production lines to Southeast Asia, the Middle East, Africa, and South America for over a decade.
Q: What is the difference between 4-roller and 6-roller square can seamers?
A: A 4-roller square can seamer uses two first-operation rolls and two second-operation rolls, suitable for smaller square cans (1-10L). A 6-roller configuration adds additional seaming stations to handle heavier gauge tinplate and larger cans (10-25L), ensuring consistent seam quality on lubricant buckets and large industrial containers.
Q: How is double seam quality verified?
A: Industry-standard quality control involves periodic seam teardown — cross-sectioning the seam and measuring body hook length, cover hook length, overlap, seam thickness, and countersink depth with a micrometer or seam scope. Yongxin machines are designed to produce consistent, repeatable seams within standard tolerances.
Closing
Jiujiang Yongxin Can Equipment Co., Ltd. combines 21 years of specialized manufacturing experience with 86 patents and rigorous quality standards to deliver can seaming machines that meet the demands of global metal packaging producers. Whether you need an automatic can seamer for food cans, chemical containers, or lubricant buckets, Yongxin offers factory-direct pricing, customizable tooling, and lifetime technical support. Contact the team at +86 13607928672 or visit www.yxcanmachine.com to discuss your can seaming requirements.