This series is the latest of heavy duty compound feed lockstitch sewing machine, which is designed with largo vertical rotating hooks for thread loop catching

and sliding bar for thread up-taking. It has sub-classed into single needle and two needle. The application of needle bearings for arm shaft and hook shaft, cog

belt driving, plunger pump lubrication and compound feed by needle bar, presser foot and feed dog provides this series with such splendid features as smooth

running, quiet working and a long service life. It is also equipped with a safety elutch to prevent the hooks from damage by over-duty operation. This machine is

derived from 4400, which increase the working space(300mm*125mm), it will sew 20 plies twisted thread at maximum, the stitch length gets to 12mm/needle.

So it is especially available in stitching cat seats, safety belts, safety air bags, tents, parachutes, etc.

Specifications and Parameters

1. Q: Do you supply overseas installation and debugging?
A: Yes, but the customer needs to pay for all overseas expenditure.

2. Q: Do you supply spare parts?
A: Yes, and with fast lead time.

3.Q: What do your after-sales service include 
A: Limited spare parts one-year guarantee, Don't include quick-wear parts like needle, looper, throat plate.

4. Q: What are your terms of packing?
A: Our packing by carton and foam. If you have a legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

5. Q: What are your terms of delivery?
A: EXW, FOB, CFR, CIF

6. Q: How about your delivery time?
A: Generally, it will take 15 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

7. Q: How do you make our business long-term and good relationship?
A: We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from, Sure our machines have strong quality And patient after-sales service.