He mea tautoko e te Peka Paipa Paipa o Haina Steel Structure Association（CSPA） ka whakahaerehia e Tianjin Youfa Steel Pipe Group, 2021 Steel Pipe Export Symposium i tutuki pai ki Tianjin i te 16 o Hurae.
Whai muri i te hui, ka toro atu nga kanohi o te hui kawe paipa maitai 2021 ki Tianjin Youfa Steel Pipe Group i te 17 o Hurae.
Wā tuku: Hūrae-17-2021