Galvanized photovoltaic kev them nyiaj yug yog nyob rau hauv lub lig 1990s pib ua hauj lwm rau cov cement, mining kev lag luam, qhov no galvanized photovoltaic kev them nyiaj yug rau hauv lub enterprise, nws qhov zoo tau tshwm sim tag nrho, los pab cov lag luam no txuag tau nyiaj ntau, txhim kho kev ua hauj lwm efficiency. Galvanized duab...
Lub kaum sab xis steel, feem ntau hu ua lub kaum sab xis hlau, belongs rau carbon structural steel rau kev tsim kho, uas yog yooj yim seem steel, feem ntau yog siv rau cov hlau Cheebtsam thiab rhiav thav ntawv. Zoo weldability, yas deformation kev ua tau zoo thiab qee qhov kev siv lub zog yuav tsum tau siv. Raw ste...