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4400/4420 Single/Double Needle Unison Feed Lockstitch Sewing Machine
**Product Specifications:**
- **Model No.:** 4400
- **Needle Number:** Single Needle
- **Stitch Type:** Lockstitch
- **Product Name:** Flat Bed Sewing Machine
- **Voltage:** AC 110/220V
- **Needle:** Single Needle
- **Weight:** 25kgs
- **Application:** Clothes, Shoes, Luggage, Handbag, Sofa, Leather, etc.
- **After-Sales Service Provided:** Yes
- **OEM:** Yes
- **Trademark:** SOKIEI
- **Transport Package:** Standard Wooden Case
- **Specification:** 670*335*650 MM
- **Origin:** Dongguan, China
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**Product Description:**
The SOKIEI BY-4400 is a heavy-duty flat-bed lockstitch sewing machine designed for high-performance industrial use. It features a single needle configuration and is ideal for applications such as shoes, handbags, luggage, sofas, leather goods, and more. This machine is known for its durability, precision, and efficiency, making it suitable for both small and large-scale production.
With a maximum sewing speed of 2000 stitches per minute, the BY-4400 ensures fast and reliable performance. The machine also includes a compound feed system, which allows for even and consistent stitching across various materials. Its robust construction and advanced mechanical design make it perfect for manufacturing seat cushions, seat belts, airbags, tents, parachutes, and other large equipment.
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**Key Features:**
- **Brand Name:** SOKIEI
- **Model:** BY-4400
- **Stitch Formation:** Lockstitch
- **Mechanical Configuration:** Flat-bed
- **Max. Sewing Speed:** 2000 s.p.m
- **Height of Presser Foot:** 16mm
- **Stitch Length:** 0-9.0mm
- **Power:** 400W
- **Dimension:** 1200*540*860 MM
- **Feed Mechanism:** Compound feed
- **Certification:** CE
- **Needle:** DP x 17
- **Pin Number:** Single Needle
- **Gross Weight:** 25KGS
- **Characteristic:** Heavy duty compound feed lockstitch sewing machine with single needle
- **Commodity Introduction:**
- Large vertical rotating hooks for enhanced performance
- Available in single or double needle configurations
- Equipped with a synchronized cog belt plunger pump lubrication system
- Low noise, high durability, and smooth operation
- Ideal for car seat cushions, seat belts, airbags, tents, parachutes, and more
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**Export Markets:**
Our machines have been successfully exported to countries including Saudi Arabia, Iraq, Dubai, Kuwait, Kazakhstan, Poland, England, Australia, New Zealand, Belgium, Belarus, Russia, Spain, Canada, USA, Mexico, Colombia, Chile, Brazil, Argentina, South Africa, Indonesia, Turkey, Bulgaria, Malaysia, Thailand, Singapore, Taiwan, Hong Kong, and many others.
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**Packing Details:**
- Standard export disinfected wooden case inside
- Plastic film wrapped outside for waterproof protection
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**About Us:**
Dongguan SOKIEI Sewing Machine Co., Ltd. is a professional manufacturer specializing in the research, development, and sale of industrial sewing machines. With a team of experienced engineers and skilled staff, we provide high-quality products used in a wide range of industries, including handbags, cases, leather goods, shoes, garments, sofas, golf equipment, tents, mats, mattresses, and sports goods.
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**FAQ:**
**Q1: Are you a trading company or a manufacturer?**
A1: We are a factory-owned manufacturer, ensuring quality control from production to delivery.
**Q2: What kind of warranty do you offer?**
A2: We provide one year of warranty on spare parts, free of charge.
**Q3: Why choose SOKIEI?**
A3: Our machines are energy-efficient, cost-effective, and environmentally friendly. We also offer excellent pre-sale and after-sale services.
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**Contact Us:**
**Address:** No.2 Bohui Industrial Park, Liaobu Town, Dongguan, Guangdong, China
**Contact:** Charlie
**Mobile:** +86-139-2944-3020 / +86-150-1787-5470
**Tel:** +86-0769-8222-2263
**Fax:** +86-0769-8119-9875
**Website:** [http://sokiei.en.made-in-china.com/](http://sokiei.en.made-in-china.com/)
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**Sincerely for your service. Warmly welcome to consult!**