Golden Sum Import & Export Co., Ltd
China. Manufacturers of accessories and spare parts for filament extrusion and filament yarn processing machinery. Detailed product catalogs. English and Chinese.
http://www.goldensun-union.com/

Filsaronno Srl
Italy. Dealers in continuous multi-filament yarn spinning systems with manual or automatic winding equipment. Also, paralel, intermingled and twisted solution dyed polypropylene multi-filament yarns. English and Italian.
http://www.filsaronno.it/

Grace Co., Ltd
China. Vertically integrated filament yarn spinners. Fine and coarse, continuous filament yarns and threads for knitting, weaving and embroidery, from solvent spun cotton linter viscose pulp. Link to message board. English and Chinese.
http://www.cn-grace.com/

The Basics of Yarn Making
Detailed description of the raw materials, configurations, and the spinning and treatments in the continuous filament yarn making process. From SANS Fibres. Author: J.R.T. Sharpe.
http://www.sans.co.za/YarnMakingBasics.htm

Techniservice
USA. Design, development and manufacture of two- and four-thread, draw, crimp and entangling machinery for the processing of spun and filament yarns and combinations. Also, hand held yarn joining equipment. List of world wide agents. Part of Textured Yarn Co., Inc.
http://www.techniservice.com/

United Yarn Products Co., Inc
USA. Regular, high tenacity and industrial filament yarns for weaving and knitting, from polyester and polyamide. Also, polyamide tow. Link to yarn and fiber gauge rulers on PDF files. Requires Acrobat Reader.
http://www.unitedyarn.com/

Chain Yarn Co., Ltd
Air textured, twisted and continuous filament yarns for knitting and weaving, from polyester and polyamide. Also, polyamide chips for yarn extrusion and plastics engineering. Detailed product descriptions, specifications and applications. English and Chinese.
http://www.chainlon.com.tw/

Fabrics by Tabrae
Fabrics by Tabrae is a supplier of woven jacquard fabrics and metallic knits using yarn dyed acetate, polyester and metallic filament yarn
http://www.fabricsbytabrae.com/

Sunko Tex
China. Manufacturers of twisted and textured, partially and fully oriented polyester, polyamide and viscose continuous filament greige yarns for sewing and embroidery applications. Also, spare parts for yarn spinning machinery. Technical information and yarn specifications. Glossary of terms.
http://www.sunkotex.com/

Crimplon Yarns Pvt., Ltd
India. Yarn processing and finishing company, specialised in crimping, texturizing, twisting, stabelising and dyeing of synthetic filament stretch yarns for sewing, crocheting, knitting and weaving applications. Detailed yarn catalogs, including technical information and specifications.
http://www.crimplonyarns.com/