Popper and Sons
Cadence Science manufactures custom and standard components and instrumentation for precise fluid handling.
http://www.popperandsons.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/

Total Engineering
´ç»ç´Â 1992³â¿¡ ¼³¸³µÈ ¹ëºêÁ¦Á¶È¸»ç·Î ÁÖ¿ä »ý»êÇ°Àº knife gate, slide, diverter, ram piston valve, strainerÀÔ´Ï´Ù.
http://www.totalvalves.co.kr

Hemiwedge Valve
Texas based company offering Hemiwedge Cartridge Valve technology, for applications in emergency shutdown, severe service, critical service, and others. Metal seated & resilient seals available.
http://www.hemiwedge.com/

Tang Shan Hong Yuan Valve Industry Co.
manufacturer of wafer butterfly valve,lug butterfly valve,wafer check valve,balancing valve,swing check valve,Y Strainer,lift check valve,smolensky check valve,pump part,pipe fittings,casting parts,supplier,manufacturer,made-in-china
http://www.hyvp.com

Jinzuan Needles Co., Ltd
China. Manufacturers of felting needles, accessories and fittings for the nonwovens industry. English and Chinese.
http://www.qdjinmao.com/

Tri-State Valve & Instrument Co.
Specialist pressure relief valves control valve suppliers. Regulators. Valve automation. Factory authorized ASME assembler for 'Farris Engineering' and 'Spence' brands.
http://www.tvimem.com/

Needles Impex Srl
Romania. Manufacturers' representatives and distributors of sewing machine needles, spare parts and accessories. English, Romanian and German.
http://www.needles.ro/

efg's Computer Lab: Buffon's Needles Lab Report
A project describing how to estimate the value of pi using Buffon's Needles. Includes math description and complete Delphi source code.
http://www.efg2.com/Lab/Mathematics/Buffon.htm

Valve China
Informational site on valve manufacturing in China. Includes industrial and market trends and international valve manufacturing standards.
http://www.valvechina.com