2021-04-03
HUASHENG PIPELINE TECHNOLOGY CO., LTDHousing da Maintenance Information 1. Wurin da ake ajiye bututun ya kasance daidai gwargwado, a dunkule kwasfa da kwasfa a cikin yadudduka kuma a riƙa ɗora, sannan tari ya zama mai kyau. 2. Idan an adana bututu da kayan aiki na dogon lokaci, ya kamata su kasance pl