Na Mee, 2022, mpụ mbupụ nke ọkpọkọ welded na China bụ tọn 320600, na-abawanye otu ọnwa na 45.17% yana mbelata nke 4.19% kwa afọ kwa afọ.

Dị ka data nke General Administration nke kọstọm si kwuo, China na-ebupụ 7.759 nde tọn ígwè na May 2022, mmụba nke 2.782 nde tọn karịa ọnwa gara aga, mmụba nke 47.2% kwa afọ; Site na Jenụwarị ruo May, 25.915 nde tọn nke ngwaahịa igwe na-ebupụ, mbelata nke 16.2% kwa afọ n'afọ; Na Mee, 2022, mpụ mbupụ nke ọkpọkọ welded na China bụ tọn 320600, na-abawanye otu ọnwa na 45.17% na mbelata kwa afọ nke 4.19%.

Na May, China webatara 806000 tọn ígwè, mbelata nke 150000 ton ma e jiri ya tụnyere ọnwa gara aga, mbelata nke afọ n'afọ nke 33.4%; Site na Jenụwarị ruo May, 4.98 nde tọn ígwè na-ebubata, mbelata kwa afọ nke 18.3%; N'ọnwa Mee, mbubata olu nke ọkpọkọ welded na China bụ tọn 10500, yana mbelata otu ọnwa n'ọnwa nke 18.06% yana mbelata kwa afọ nke 45.38%.

N'ọnwa Mee, 2022, mbupụ ụgbụ nke China nke ọkpọkọ welded bụ tọn 310100, yana mmụba otu ọnwa n'ọnwa nke 49.07% yana mbelata nke 1.67% kwa afọ n'afọ; Site na Jenụwarị ruo May, mbupụ ụgbụ nke China nke ọkpọkọ welded bụ tọn 1312300, mbelata kwa afọ nke 13.06%.