Model NO.: SG-300U
Needle Number: Single Needle
Stitch Type: Chain Type
Machine Type: Mattress Sewing Machine
Sewing Head Brand: Singer 300u
Speed Type: High Speed
Feeding Type: Compound Feeding
Control Type: Computerized
Trademark: nanjing square
Transport Package: Plywood Case, Wooden Case
Specification: ISO9000, CE
Origin: Nanjing China
HS Code: 84522190
Factory Direct Wholesale Chain Stitch Sewing Machine (singer 300U)


Main application & performance:
SG-300U chain stitch machine is a double chain stitch sewing head suitable for light or heavy fabric sewing, it can sew apparel or heavy material such as mattress.  it can be adopted as the sewing head on all  models of tape edge machine in the market. 

SG-300U sewing head offers excellent speed and thick fabric sewing capabilities. It is the first choice for mattress sewing in mattress production. 
 
Max Sewing Speed 3500spm
Feed Type Compound Feed&Alternating Pressers
Max Stitch Length  7.6mm
Clearance Under Presser Foot 11.00mm
Needle Bar Stroke 36.5mm
Dimensions from Needle to Side of Machine Bed 6.9mm

Factory Direct Wholesale Chain Stitch Sewing Machine (singer 300U)
Factory Direct Wholesale Chain Stitch Sewing Machine (singer 300U)

Our Services:

1. After-sale service:
    Installation & Commissioning: The seller can provide the installation, commissioning and training
    service in buyer's factory, while the buyer needs to pay for VISA application, air ticket, accommodation,
    (if necessary) interpreting fee for seller's technician.

2. Warranty:For the machine above,the seller provides one year warranty starting from the moment
the seller dispatches the machines. For the detailed guarantee period of each part, please refer to the operation manual.Wearing parts,consumption material and the damage incurred by the buyer's incorrect operation are out of warranty range.

FAQ:

Voltage: Please pay attention to your country's voltage,
China is 220v 1phase 50Hz / 380v 3phase 60Hz. If different, please inform us in advance.

Our company: 
Nanjing Square Mattress Machinery Co., Ltd. (also named Nanjing Sifang Mattress 
Machinery Factory) was established in 1990. We are a specialized manufacturer of 
complete line mattress & sofa spring equipment. Our present products cover 10 series 
and more than 60 models. Our present factory covers an area of 35,000sqm with a 
14,000-square-meter workshop.
Presently, our company is running strictly in terms of ISO90001:2000 quality system. Our 
products sell well not only in China but also far in Europe, South America, North America,
 Australia, the Middle East, Asia, Africa, and other countries and regions all over the world. Our products make us win customers' trust and recognition widely. Our annual export 
volume is increasing rapidly. Any of your contacts or visits is sincerely welcomed. We look 
forward to making cooperation with you in the near future!   
 

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September 03, 2023