e pili ana iā mākou

JIANGSU TSINGSHAN STEEL CO., LTD.ʻO ia ka mea alakaʻi i nā mea hana kila pilikino. Ua hala ka hui i ka ISO9001 quality management system certification a me CE certification.ʻO kā mākou huahana me ka paipu kila kila, ka paipu kalapona kalapona, ka pā kila kalapona, ka pahu kila kila, ka pā galvanized, galvanized tube, color coated plate, ka pā hao, ka ipu kīʻaha, ka pā pale pale lole, a me nā mea'ē aʻe, e like me ka American ASTM standard, Japanese JIS standard, German DIN standard, British BS standard a me nā kūlana'ē aʻe.