The multi-needle sewing head is a chainstitch type, bottom stitch is looper based. And this S-CT21-C33 sewing workstation is mainly used to attach the non-woven buckram tape to the back of the curtain top hemming, mostly called the Chinese style curtain tape lining. This type of lining will leave the non-woven buckram tape visible from the back of the tape, without any need of further folded for another sewing process.

The machine head itself has a total number of 33 needles which gives a high flexibility to the operator to choose which two needles are needed to attach certain width of curtain tape.  The rest of unnecessary needles can be simply taken off from the needle holder when not needed and leave only two needles required to attach the tape by sewing only both left and right side of it. It has a total width of 6 inches (which is about 152.4mm) which is suitable to meet nearly all size of non-woven curtain tape available in the market in general.

This type of S-CT21 Series is equipped with a synchronous conveyor belt system. The movement of the conveyor belt has been programmed to be synchronized with the sewing speed. And with the help of the conveyor workstation, the operator does not have to spend many times stopping and pulling the curtain panel during sewing the curtain panel. In a conventional method with a regular sewing machine, the operator will face a daily difficulties to sew a large curtain panel due to the weight of the curtain is pulling downward while s/he is sewing the curtain panel, therefore operator keeps on pulling the panels forward bit by bit while he sews the panel along the way to the end. This workstation will let the hemming process to be done a lot easier, therefore increases the production efficiency significantly.

There are different selections of sewing machine that varies from reputable sewing machine brand that each has different functions and technical characteristics