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(1) In Terms of Tensile Strength

a、25-30kg per mm2regular round chains

b、40-43kg per mm2 Class 2 chains

Type A:cementite chains

Type B:20MN2 chain

c、63kg per mm2 Class 2 high strength round chain for mining usage

d、70kg per mm2 Class 2 chains of hihg tension according to USA standards as belt tightener or for hauling trucks etc.

e、80kg per mm2 G 80 lifting chains form 6mm to 10mm in diameter stock for hand pulling blocks

(2) In Terms of Surface Treatment

a、prototype

b、electrogalvanized

c、cemenrile

d、blackened

e、hot dipped

f、copperized

g、golden

(3) Others

a、Antiskid Type Chains

b、Long Twisting Chains and Short Twisting Chains

c、Stainless Steel Chains 304and Stainless Steel Chains 316 in batches

We have a rigid quality control system .All products must undergo tensile strength tese.Only those qualified products are allowede to leave the factory.Products are of even quality.Oue company has been recognized by Zhejiang Quality And Workmanship Monitoring Bureau as an Enterprise Meeting With Quality Standards and has been enlisted in Zhejiang Quality Net.Our products won the title of Quality Chains in Zhejiang Market in the Propaganda Program for Zhejiang in 1997.In November,2001 we were awared a bronze medal,a productmark and the cerificate for State-Authority-inspected Quality Product by China Quality Inspection Association.We were jointly nominated to Excellent Techincal Products of Zhejiang by Zhejiang Science and Technology Association an three other relevant authorities in March 2003.We were awarded a bronze medal and the certificate for Company Witr Reliable Quality Products Between 2002 by and 2003 by China Technology Monitoring Intelligence Association.We were chosen to be Excellent Nztional Consumer-trusted Enterpise by the News and market Information Centre of People'sDaily of China and were on the honour list of National Good Faith Organizations posted by the News Centre.We have been ratified to be Good Faith Enterprise with Grade A Quality(Certificate No.CX20050044)by Zhejiang Standardizing Research Academy.Our integrity have been rated as Grade A⑥ by the Business Department of International Commercial and Econimic Cooperation Academy.Since 1989,we have consecutively been acknowledged each year to be an Organization with Good Faith and Good Credit and Organization With Gredit by government of Yunhe County and Lanxi City Council.Trade and Commerce Administrative Bureau of Zhejiang offcially named us to be Grade A Good Faith Company.Quality and good Faitr are the fundamental principles we abide by when we do business.We welcome you to choose from our products.