N'oge na-adịbeghị anya, Ministry of Industry and Information Technology wepụtara 2022 Green nrụpụta ndepụta, Tangshan Zhengyuan Pipeline Industry Co., Ltd.so na ha, meriri aha nke "National green factory", Zhengyuan si welded ígwè anwụrụ maka mmiri ụgbọ njem (na-ekpo ọkụ itinye galvanized) ngwaahịa w ...
GỤKWUO