which is better 1000w or 1500w continuous automatic laser welding machine

fiber transmission laser welding machine for railway welding1kw portable laser welder for brassis a continuous automatic laser welding machine good for metal workshopis a 400w mould repair laser welding machine good for plastic mold repairbest 500w jewellery laser welding machine1000 watt fiber laser welder pricecan a 400w gold laser welding machine weld silver alloybest fiber laser welding machine for hardware product welding1.5kw fiber mold laser welding machine for hardened steelbest laser mold repair machine for aluminum alloy
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