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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:** Lock Type
- **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 high-performance **flat-bed sewing machine** designed for heavy-duty applications. It features a **lock stitch mechanism**, making it ideal for use in industries such as **shoes, handbags, luggage, sofas, and leather goods**. The machine is equipped with a **single needle system**, ensuring precision and efficiency during the sewing process.
This model is known for its **high-speed operation (up to 2000 stitches per minute)**, **compound feed system**, and **durable construction**. Its **large vertical rotating hook** ensures smooth and consistent stitching, while the **DP x 17 needle** provides excellent compatibility with various materials.
It is widely used in the production of **car seat cushions, seat belts, air bags, tents, and parachutes**, among other large-scale industrial products. The **CE certification** guarantees safety and compliance with international standards.
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**Key Features:**
- Heavy duty compound feed lockstitch sewing machine
- Single needle design for accurate stitching
- Large vertical rotating hook for smooth performance
- Low noise and high durability
- Energy-efficient with more than 40% energy savings
- Excellent pre-sale and after-sales support
- Customizable OEM options available
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**Application Areas:**
The SOKIEI BY-4400 is suitable for a wide range of industries, including but not limited to:
- Footwear (shoes, shoe uppers, moccasins)
- Accessories (handbags, suitcases, laptop bags, golf bags)
- Apparel (clothing, jeans, cell phone covers)
- Automotive (car seat cushions, seat belts, air bags)
- Industrial equipment (tents, parachutes, large-scale products)
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**Packing Details:**
- **Standard export wooden case** inside
- **Plastic film wrapped** outside for waterproof protection
- Ensures safe delivery and minimal damage during transit
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**Company Information:**
Dongguan SOKIEI Sewing Machine Co., Ltd. is a professional manufacturer specializing in **industrial sewing machines**. With a dedicated team of engineers and experienced staff, we provide high-quality machines used in **handbags, luggage, leather goods, shoes, garments, sofas, and more**.
Our machines are trusted by customers worldwide, including countries such as **Saudi Arabia, Iraq, UAE, Kuwait, Kazakhstan, Poland, UK, Australia, Russia, Spain, Canada, USA, Brazil, Indonesia, Turkey, and many others**.
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**FAQ:**
**Q1: Are you a trading company or a manufacturer?**
**A1:** We are a **manufacturer** with our own factory, ensuring quality control from production to delivery.
**Q2: What kind of warranty do you offer?**
**A2:** We provide a **one-year warranty on spare parts** and free after-sales service.
**Q3: Why choose SOKIEI?**
**A3:** Our machines are **energy-efficient, cost-effective, and environmentally friendly**, with reliable performance and excellent customer support.
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**Contact Us:**
If you're looking for a **reliable and high-quality sewing machine supplier**, feel free to reach out to us for more information or a custom quote.
**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)
[http://sokiei.en.alibaba.com](http://sokiei.en.alibaba.com)
[http://en.sokiei.com](http://en.sokiei.com)
We look forward to serving you!