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  About us
Hangzhou Spring Washer Co.,ltd.is recognized as one of the largest and longest estabished manufactrers of spring washers in China,and in the world as well.Founded in 1972,the company has more than 30 years history .Over the past decades,its brand HANGTAN has fully supported and deeply trusted by its clients,and its products have been supplied extensively over China domestic market and other countries and areas such as North America.Europe,and Japan,etc.Now its products have been widely used by Dongfeng Automobile,China National Heavy Duty Truck Group,China Railway Group,Xiamen XGM Machinery,Shifeng Group,CHONCHE Group from China,and GE and AREA from USA etc.
The company continually makes efforts to explore and develop on the way to technological innovation and products creation.In respect of technological innovation,the company cooperated with TOKUHATSU Corporation of Japan in 1990’s by introducing their technology and equipment ,which has brought technology revolution to the spring washer industry in China.Ever since then, the company has always been the leading manufacturer of spring washers in China.Starting from the year 2002,the company has co-operated with NisseiSeiko Co.,ltd.Japan,who is specialized in manufacturing 12.9 high tension bolts .The Sino-Japan two competent parties jointly manufactured series of hing tension hex bolts,and in 2004 founded a new company,Zhejiang Rising Fasteners Co.LTD.todedicate to production of high tension bolts.
The company has always been paying keen attention to quality control,and learning the advanced quality management ways from abroad.It has established a complete and scientific quality management system.Its spring washer brand “HANGTAN”is appraised to be Top Brands of Hangzhou City.The company has established the quality management system according to ISO9001:2008 and ISO/TS 16949:2009 quality system,and has been awarded ISOcertificate.
The company is the member of National Fasteners Standardization Technology Committee,and is the only one of the spring washer industry to participate in the editing of the spring washer China National standard GB/T94.1-2008.
With the eternal prusuit for developing and innovating,the company devotes itself to producing,researching and developing fasteners,to improving quality,to upgrading prdoucts,and to bettering its services to its customers,so as to ensure its competitive edge and keep the leading role in the fasteners field.
The company would like to cooperate with friends at home and abroad to keep pace with times and make further progress together for thd bright future.
 
All rights reserved Hangzhou spring washer co., ltd.
china Address: Xinjie town, Xiaoshan , Hangzhou, China.
Site Address:www.hangtan.com Tel: 86-571-82610607 Zip Code: 311217