Chennq-Dieen Spring Co.
Manufacturer in Taiwan of torsion springs, machine gun springs, office chair springs, bicycle shock absorber springs, car engine valve springs and motorcycle engine valve springs.
http://www.chennq-dieen.com.tw/

Hangzhou Xingfa Spring Co. Ltd
Manufacturer of brake valve springs, auto suspension springs, hot roll springs, wire, spiral, wavy, trampoline, valve, hoisting jack, clutch, bracket and motorcycle shock absorber springs.
http://www.xfspring.com

Performance Springs Pty Ltd
Performance Springs Australian Manufacturer and Wholesaler of Valve Springs and Retainers
http://www.performancesprings.com.au/

HyTec Valve
HyTec Valve, LLC specializes in Distribution, Application, and Servicing of Valve Products intended for Severe and Critical Service.
http://www.hytecvalve.com/

Lung Yun Casting Co., Ltd.
Lung Yun Casting Co., Ltd. V A Ball Valves,Gate Valves,Globe Valves,Check Valves ,Sanitary Fittings,Flanges,Casting Parts,Trailer Parts,Pipe Fittings Manufacturers and Suppliers from Taiwan, China and Worldwide.
http://www.lungyun.com.tw/

Norris Springs Ltd
Norris Springs are a UK based manufacturer of compression springs, extension springs, torsion springs and flat springs
http://www.norris-springs.co.uk

A.V. Weber Company Inc
A.V. Weber in North Wale, PA manufactures springs, wireforms and stampings for industrial, aerospace, medical, pharamaceutical and specialty components.
http://www.avweber.com/

Total Engineering
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http://www.totalvalves.co.kr

American Precision Spring
American Precision Spring Corporation is a full service custom spring manufacturer, Silicon Valley spring manufacture, bay area spring manufacturer, California spring manufacture, Northern California Spring Manufacture.
http://www.americanprecspring.com/

Master Spring & Wire Form
Master Spring is a manufacturer of wire forms and custom springs, including compression springs, extension springs and torsion springs.
http://www.masterspring.com/