Mokhatlo oa Amerika bakeng sa tlhahlobo le lisebelisoa, Astm. Pele e ne e tsejoa e le motsoalle oa machaba oa lisebelisoa tsa tlhahlobo (IATM). Mokhatlo oa Amerika bakeng sa lisebelisoa le teko (AstmHajoale ke e 'ngoe ea mekhatlo e kholo ea ho ntšetsa pele mekhatlo e kholo ea ho ntšetsa pele lefatšeng' me ke mokhatlo o ikemetseng oo e seng oa phaello. Astm o na le litho tse ka bang 34,000, tse ka bang 4,000 ho tsona ho tloha linaheng tse makholo kantle ho United States. ASTM e se e le maemong a fetang 10,000.

Ho ba lebohela ka mofuthu hoDonghuang Dhdz ea Ts'khoapelo ea DHDZHo amohelaSetifikeiti sa Astm

Astm, Donghuang matla a moea, a ikhethileng tlhahisong le thekiso ea litlhaloso tse fapaneng tsaflanges, Tšoarelo, Lintlha tse Felletseng, li ka etsoa ho latela litlhoko tsa bareki, kamohelo e mecha ea bareki ba bareki, boleng ba bo-ralitlisang ...

Foromo: ShanxiDonghuang Wind Matlawer FearingHo etsa lihlahisoa tsa mantlha, LTD