Lockstitch Sewing Machine
**Product Details:**
- **Model No.:** 4420
- **Needle Number:** Double Needles
- **Stitch Type:** Lockstitch
- **Product Name:** Flat Bed Sewing Machine
- **Voltage:** AC 110/220V
- **Needle:** Double Needle
- **Weight:** 25kgs
- **Application:** Clothing, Shoes, Luggage, Handbags, Sofas, Leather, and more
- **After-Sales Service Provided:** Yes
- **OEM:** Yes
- **Trademark:** SOKIEI
- **Transport Package:** Standard Wooden Case
- **Specification:** 670 x 335 x 650 mm
- **Origin:** Dongguan, China
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**Product Images:**



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**Application:**
This lockstitch sewing machine is ideal for a wide range of applications including shoes, shoe uppers, moccasin shoes, handbags, suitcases, computer bags, golf bags, clothing, jeans, phone cases, seat belts, Velcro, car seat cushions, airbags, tents, parachutes, and other large equipment.
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**Technical Specifications:**
| Feature | Description |
|-----------------------|------------------------|
| Brand Name | SOKIEI |
| Model | BY-4420 |
| 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 |
| Dimensions | 1200 x 540 x 860 mm |
| Feed Mechanism | Compound feed |
| Certification | CE |
| Needle | DP x 17 |
| Pin Number | Double needles |
| Gross Weight | 25KGS |
| Characteristic | Heavy-duty compound feed lockstitch with double needles |
| Commodity Introduction | 1. Uses large vertical rotating hooks.
2. Divided into single or double needles with a synchronous cog belt plunger pump lubrication system.
3. High performance, low noise, and long-lasting.
4. Especially suitable for car seat cushions, seat belts, airbags, tents, and parachutes. | --- **More Details:**   --- **Machines Exported To:** 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 more. --- **Packing Details:** Standard export disinfected wooden case inside, wrapped with plastic film on the outside for waterproof protection. --- **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 handbags, luggage, leather goods, shoes, garments, sofas, golf equipment, tents, mats, mattresses, sports goods, and more.  --- **FAQ:** **Q1: Are you a trading company or a manufacturer?** A1: We are a factory ourselves, and we can guarantee the quality of our products. **Q2: What 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. --- **Contact Us:** Sincerely looking forward to your service. Warmly welcome to 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/) [http://sokiei.en.alibaba.com/](http://sokiei.en.alibaba.com/) [http://en.sokiei.com/](http://en.sokiei.com/)






2. Divided into single or double needles with a synchronous cog belt plunger pump lubrication system.
3. High performance, low noise, and long-lasting.
4. Especially suitable for car seat cushions, seat belts, airbags, tents, and parachutes. | --- **More Details:**   --- **Machines Exported To:** 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 more. --- **Packing Details:** Standard export disinfected wooden case inside, wrapped with plastic film on the outside for waterproof protection. --- **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 handbags, luggage, leather goods, shoes, garments, sofas, golf equipment, tents, mats, mattresses, sports goods, and more.  --- **FAQ:** **Q1: Are you a trading company or a manufacturer?** A1: We are a factory ourselves, and we can guarantee the quality of our products. **Q2: What 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. --- **Contact Us:** Sincerely looking forward to your service. Warmly welcome to 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/) [http://sokiei.en.alibaba.com/](http://sokiei.en.alibaba.com/) [http://en.sokiei.com/](http://en.sokiei.com/)
The raw material for making the tray, double-sided silicone oil, is not easy to stick, good quality, high transparency







PET SHEET Double-sided silicone oil
CANGZHOU XINFENG PLASTIC CO.,LTD , https://www.xinfengplastics.com