About Us
Gangsha was founded on March 15, 2001, located in Yiwu, China
Gangsha is a comprehensive company which includes R&D, production and sales of high-end seamless underwear, pants, shape wear; sewing underwear, thermal underwear, box pants, pajamas, and other series of knitwear.
Domestic Sales
Over the course of the years, we have built several domestic underwear brands which primarily target medium-to-large size supermarkets.
OEM/ODM
Our primary focus lies in OEM/ODM. We have a highly-expereienced production team capable of processing 1M pieces per month.
R&D
We have a R&D team of 30 people, from designers to sewing technicians, each of whom have at least 10+ years of experience in seamless underwear design, knitting and sewing.

We strive to provide the best seamless experience.

Tube Knitting
We have over 100+ tube knitting machine from 11 to 20 inch.
Lab Environment
24-hour constant temperature and humidity to keep the tube and yarn in steady state.
Needle Control
We enforce a strict needle checking procedure to ensure quick action on broken needle during tube production.
Tube Quality Inspection
Every tube produced will be strictly inspected by our tube inspector before dyeing.
Sewing
With tubes produced by seamless knitting machine, our sewing workers will continue to perform various seamless-based sewing procedures. Our R&D department is constantly on the lookout for new sewing techniques to provide our clients different sewing choices.
Capacity
- 30+ Sewing Lines
- Lean Line Production
- Monitored Daily Production
- Complete Production Line
Quality
- Constant Monitoring
- Experienced Personnel
- Weekly Overall Quality Analysis
- Responsive to Quality Feedback
Colors
We are confident to match your desired color to the greatest extent since we have years of experience of meeting highly demanding color requirement.
Stretch
Certain types of underwear, particularly sportswear and yoga wear, requires specific stretch. Our equipment and expertise can meet your stretch design.
Fabrics
We guarantee 0% cutting corners possiblity on fabrics. For quality, we have standard tests, such as pilling test, to be performed on the knitted tubes.