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Long Arm Double Sewing Machine for Making The Filter Bag
US$3,300.00-3,600.00
1 Set
Product profile
Customization
AvailableNeedle Distance
6.4mm/12.7mmArm Length
760mm/1100mmModel NO.
SQ-4431Power
750WVoltage
220VMotor
Servo MotorTransport Package
Wooden CaseSpecification
1400*800*1600Trademark
SHANQIUOrigin
ChinaHS Code
8452290000Production Capacity
10000 Set/YearKey features
Synchronous Feeding Function: Prevents fabric deviation with synchronized needle, feed, and presser foot movement.
Servo Motor with Auto Positioning: Features electronic positioning, infinite speed adjustment, and automatic needle stop.
High Sewing Efficiency: Max sewing speed reaches 2800rpm/min for rapid production of filter bags.
Long Arm Design: Available in 760mm or 1100mm arm lengths for handling extremely long cylindrical pieces.
Double Stitch Quality: Produces straight, beautiful double stitches suitable for thick material fabrics.
CE Certified Product: Meets international safety standards with official CE certification.
OEM and ODM Services: Customization services available for brand and design requirements.
Adjustable Stitch Width: Flexible stitch width options of 6.4mm or 12.7mm to suit different needs.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-01-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.13h CertifiedTerms of Payment: LC, T/T, PayPal, etc.
AI-Powered supplier vetting
SummaryChangzhou Shanqiu Machinery Equipment Co., Ltd. is a China-based manufacturing factory established in 2012, focused on filter-bag and filter-cartridge production equipment, including sewing, ultrasonic welding, hot-air welding, cutting, and automated production lines. It operates from a 2,560 m² facility with 21 employees, reports 6–10 quality-control staff, and states that it has self-operated import and export rights. The supplier exports to multiple global regions, with exports accounting for 41%–50% of total sales, and reports one-month order fulfillment in both peak and off-peak seasons. Its stated strengths include product specialization, manufacturing and service activities, and product-related R&D experience. However, no management-system certifications are reported, R&D engineering experience is limited to two years, and the provided information does not sufficiently establish after-sales capability, customization capability, financial credibility, or a broad customer-case record.
Supplier typeThe supplier is identified as a factory and manufacturing enterprise in Changzhou, Jiangsu, China. Its business scope covers industrial equipment, components, services, and manufacturing machinery, while its legal form is described as a limited company.
CertificationsThe supplier explicitly reports no supplier management-system certification ("NIL"). This is direct evidence that no such certification is documented in the provided information.
R&D capabilityThe supplier emphasizes research, innovation, and product development, and offers multiple specialized technologies including automatic production lines, ultrasonic welding, hot-air welding, and precision cutting equipment. However, only two years of R&D engineer experience is reported, so the evidence supports product-development activity but not a clearly strong innovation advantage.
Production capacityThe supplier operates a 2,560 m² manufacturing plant, identifies itself as a factory, produces several categories of filter-bag and filter-cartridge machinery, and reports one-month fulfillment during both peak and off-peak periods. Its 6–10 quality-control staff and export operations further support operational capability.
Product Q&A
Q:What is the maximum sewing speed?
A:
The machine supports a maximum sewing speed of 2800rpm/min.
Q:Can the arm length be customized?
A:
Yes, the arm length is available in 760mm or 1100mm options.
Q:Does the machine support OEM or ODM?
A:
Yes, both OEM and ODM services are available for this product.
Q:What is the power consumption of the machine?
A:
The machine operates with a 750W power rating.
Q:Is the machine suitable for thick fabrics?
A:
Yes, it is designed specifically for stitching thick material fabrics.
Send Inquiry
*To:
Changzhou Shanqiu Machinery Equipment Co., Ltd.
Changzhou Shanqiu Machinery Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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