ERW Pipe's tarisiro yebudiriro uye inotarisana nenyaya Resistance welding ipfupi yeERW simbi pombi ine huwandu hwezvakanakira, senge kubereka kwakanyanya, mutengo wakaderera, yakanaka dimensional kurongeka, kutaridzika kwakanaka. Nekudaro, munguva yakapfuura, nekuda kwekusavimbika kwakashata kweweld, mipimo mikuru ...
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