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  • Dear friend, we are an integral company with both factory and trading authority.Hangzhou Hongli Pipe Machinery is our factory and can also do exporting. Hangzhou Tiger King Pipe Machinery is our pure trading company and will get same prices for exporting as Hongli.We also have Hangzhou Huaxing. It is mainly do heat treatment for our machine spares.Meanwhile, we have customers cooperated for tens o...