Nnyo e Khole e le 'Ngoe
Ea ronaNnyo e nang le khoele e le 'ngoee entsoe ka thepa ea boleng bo holimo, ho kenyelletsaASTM A234 WPBleLisebelisoa tsa ASTM A105, tse lumellanang
ho latela maemo a fapaneng a tlhahiso a kang ANSI, JIS, DIN, EN, API 5L, joalo-joalo. Ho feta moo, re atlehile ho fetisa ISO9000.
Setifikeiti sa Tsamaiso ea Boleng. Tšepa tsebo ea rona 'me u kholisehe hore lihlahisoa tsa rona li finyella litekanyetso tse phahameng ka ho fetisisa tsa indasteri.
Ngola molaetsa wa hao mona mme o re romele wona