JINAN DEGA MACHINE CO.,LTD.(DECALUMA) was founded in 2006, offering products that include a wide range of machine for manufacturing aluminum window door & curtain wall, single and double-head sawing machines, machines and equipment for working and assembling aluminium and PVC window frames. We started as a small operation, but now we are the leading premium supplier in the segment of profile & curtain wall machining for a vast array of different requirements and materials...