Sigema Yarn



Shaoxing Sigema Yarn Co.,Ltd is a professional specialty yarn developer, producer and seller, which was co-founded by Shaoxing Up Mind chemical fiber Co.,Ltd and Shaoxing Zhengkun chemical fiber Co.,Ltd in 2013. We focus on researching and developing novelty and specialty yarn, and delivering co-creation and customisation service for our clients from all around the world. Depending on your requirements, we are able to create your own speciality yarn’s appearance, hand feeling, fancy effect and function.


Sigema Yarn’s Research and Development team utilizes open innovation model, which means that we not only collaborates internal innovation resources from Up Mind and Zhengkun, but also external innovation resources from professional institutions, universities and even competitors.


Previously in Chinese domestic market, most of current specialty polyester yarns were developed from our team. Nowadays, Sigema Yarn’s chemical fiber experts focus on co-creating novel yarn with global clients. Our specialty yarn capacity reaches 10,000 tons per year. We are happy to serve clients from all kinds of areas or markets. If you have any ideas about specialty polyester yarns, please contact us!


INNOVATION  Develop novel specialty polyester yarn

SERVICE        Co-create and Customise your yarn



June 2018

June 2018 Wool-Iike-Improve traditional wool-like products and upgrade new wool-like fibers


2017-2018 Cotton-like- successively developed different levels of cotton-like products

September 2017

September 2017 T&T Slub - the first color cotton slub series products

August 2017

August 2017 T&T Tight Spot-Upgraded to bar code wire after improving Zebra Dolly products

July 2017

In July 2017, T&T Tight Spot-developed Leli series derivatives for a twist of Leli

February 2017

February 2017 Thick and Thin—disruptive innovation, high-speed production of high-end Leli varieties, a cloud of silk

August 2016

In August 2016, T&T Slub-after the comprehensive improvement of Cai Lisi, the polyester and Yang double long section style is more suitable for knitted fabrics, taking the trade name of rainbow silk

July 2016

July 2016 T&T Tight Spot - Developed Zebra and Zebra Dolly series for knitted fabrics


2015-2018 Slub-Continue to develop color dot series products with cation


2015-2016 T&T Tight Spot-Continuous improvement of Doris, development of derivative cotton imitation Doris

November 2014

In November 2014, Elastic-Innovatively developed elastic fibers with high shrinkage and wrinkling effect, named Klings

February 2014

In February 2014, T&T Tight Spot-improved the style and feel of traditional flower twist Leli, and upgraded it to Le Lima


2014~2015 Slub-Continuously updated back and forth bamboo joints, multi-variety three-strand imitation hemp bamboo joints and elastic bamboo joints

December 2013

December 2013 Thick and Thin-improved the traditional fat and thin series products to make them perfect for knitting, and upgraded to snowflake silk/spider silk

March 2013

March 2013 Tight Spot-Comprehensive improvement of Doris performance has been widely used in knitted fabrics

January 2013

January 2013 R&D team integration - Shaoxing Sigma Chemical Fiber Co., Ltd. was established

March 2009

March 2009 Elastic-The first to sell T400 and SSY elastic fibers in China

April 2008

April 2008 Slub-improve the traditional popular slub, upgrade the three-strand imitation hemp slub

March 2008

March 2008 R&D team—Shaoxing Zhengkun Chemical Fiber Co., Ltd. was established

August 2007

August 2007 Conductive-Development of new conductive fibers for military uniforms

March 2005

March 2005 Tight Spot - Developed Snowflake Dolly

December 2004

In December 2004, Slub-Developed the idea of ​​shuanggong for artificial silk, taking the product name as broken bamboo


2004-2006 Slub- developed a series of air-transformed slub silk products on the self-developed air-transformer


2004-2005 Elastic-Using the internal analysis and orientation technology of the fiber and the high crimping process to develop a series of products of single color and two colors - strong elastic yarn

February 2004

February 2004 R&D team - Shaoxing Chaowei Chemical Textile Co., Ltd. was established

March 2003

In March 2003, T&T Tight Spot-Composite three-color technology and mixed-twist variant upgraded a new type of imitation hemp Lelis, one-flower twisted Leli

January 2002

January 2002 Thick and Thin—Combined with Leli three-color technology to enhance the style of Cai Lisi, upgraded to a richer color wool silk

March 2001

In March 2001, T&T Slub - upgraded the performance of the stamen and white cloud silk series, taking the trade name as flower lace

May 2000

In May 2000, Thick and Thin - the first time to produce three-color wool-like fibers on a high-speed texturing machine - Leris

May 2000

May 2000 Two Tone - independently developed polyester and cationic dance dragon silk products


1998-1999 Thick and Thin - Polyester and cationic double-colored short section style Caiyun silk, and more contrasting Cai Lisi

March 1997

In March 1997 Thick and Thin- developed a new product of ITY type based on the fat and thin silk, and named it as stamen silk.

November 1996

November 1996 Thick and Thin- developed a white-grained silk with a white knot style on the basis of the fat and thin silk.


1995-1999 Tight Spot-Using double-strand composite twisting technology, developed black and white black-grained silk and various flower-twisted silk series products


1993-1997 Slub - developed a series of double and triple slub yarns


1991-1992 Thick and Thin- developed two-color fat and thin series products such as chameleon and gorgeous silk

April 1990

April 1990 Tight Spot-Developed a kind of mixed twisted silk, from the Japanese "ドレビ" drape, the trade name is established as homophonic Doris


1989-1990 Melpa-The backbone of the team developed a type of wool-like fiber when participating in the "Eighth Five-Year Plan", and named the product as Melpa

The 80s

Since the 1980s, the mainland has vigorously developed the chemical fiber industry



Sigema Yarn

R&D Center |

Add: B2-8TH FL, Jiahe Commercial Mansion, No.2 Renmin Road(E), Shaoxing, Zhejiang,

Tel: +86-0575-88615672 

Sigema Yarn

Production center |

Add: Qixian Industry Center, Shaoxing, Zhejiang, 312065 P.R. China
Tel: +86-0575-85578633

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