Xiamen Dahezhongbang Machinery Co.,Ltd has over 12 years experience in designing and manufacturing cz purlin roll forming machines ,in china we have many patents, our machine's advantage is quickly change purlin size within 5-15 minutes, our price is very competitive because we are the factory,we have the souce. Our main markets are Asia, Europe and North America, our customers come from all over the world .Wish we can provide professinal services for you....
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