frp pultrusion machine
nanjing haoli hydraulic equipment co., ltd.
foundedin1999,nanjinghaolihydraulicequipmentco.,ltdisamanufacturingenterpriseguidedbyscienceandtechnology.ourcompanyenteredthefieldofcompositematerialintheyearof2000.wearetheearliestoneinchinatohelpmanydomesticresearchinstitutesinrelatedfieldstodigest