LUOYANG SAU ENERGY TECH CO.,LTD
structural changes in the pipe market
Suiga Fa'avae o le Alamanuia Pipe Global: Tulaga Eseese Fa'aitulagi ma Avanoa Fa'aleleia Fa'atekonolosi i lalo ole Fa'agesegese o le Tuputupu A'e
O lo'o ulufale atu le alamanuia paipa i le lalolagi a “vaitaimi toe fa'atulagaina” I le sefulu tausaga talu ai, o le alamanuia paipa lalolagi ua ausia vave le tuputupu ae e ala i urbanization, fausiaina o aseta, ma fa'alautele fanua. Ae ina ua uma…