Gervi-Leading manufacturer and supplier of leaf chain, forklift truck chain, roller chain, conveyor chain,Agricultural chain conform with ISO4347, DIN8152, ANSI B29.We supply A++ Transmission chains at home and abroad. Located in Hangzhou,Zhejiang provinces,Hangzhou Aozhou Chains is specialized in the production of various kinds of industrial chain,roller chain,conveyor chain,engineering chain,high tensile chains,sprockets and other power transmission components under ISO9001 and ISO14001 certification. And all the products are manufactured as per ISO606,DIN8187,JIS or GB standard.Besides we have adopted the most advanced high speed assembly machinery, punching machinery, bush-forming machinery, “Gervi” brand continuous mesh stove for heat-treatment of Taiwan origin to ensure high stable quality. And we have our own testing lab for raw material, twist, fatigue, breaking load and length accuracy.