shanghai yike road bridge machinery co.,ltd. china - no. 4015, taiqing road, fengxian district, shanghai. jaw crushers are used as primary crushers and is widely used in mining, metallurgy, construction, highway, railroad, and chemistry industries. they main application for breaking large, medium and...,jiangxi walker machinery co,jul 17, 2020 jiangxi walker machinery co. ltd. jiangxi walker machinery co. ltd. is a leading large-scale professional manufacturer for mineral laboratory machinery. walker company is specialized in researching, manufacturing, sales different kinds of laboratory machines. it is located in the world remarkable tungsten city - ganzhou, jiangxi province.