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Ko matouLiaochengsihe rauemi kowiri tira Co., Ltd. tetahi o nga kaihanga rongonui i Haina, he mea motuhake ki te whakaputa iti-caliberKowiri tira paiherea ngongo.

I whakapumautia i te tau 2008, E toru nga raina whakaputa.hanga Liaocheng sihe rauemi kowiri tira iti kamupene he tohunga nui i roto i te mara o te kowiri tira kowiri ngongo, kowiri tira oro ngongo Kowiri tira tuitui kowiri ngongo .According Production paerewa: GB, ASTM, ASME, JIS me EN paerewa rawa tino momo Steel: 304/304L, 3216L, 304L, 316L, 316L, 316L, 316L, 316L Y800