Izinto zesakhiwo sensimbi yintsimbi ephezulu yekhabhoni ehambelana nomgangatho wesizwe. Iinxalenye zentsimbi kunye ne-fasteners zicutshungulwa ngokwe "GB / T1912-2002 IiMfuno zobuGcisa kunye neendlela zoVavanyo lwe-Hot-galvanized Layer ye-Metal Coating Steel Production". Ngaphakathi nangaphandle kwentsimbi eshushu eshushu kufuneka ihlangabezane nomgangatho wesizwe (GB/T3091-93) iimfuno zeemveliso ezisemgangathweni. Umaleko wegalvanized kufuneka ube nobukhulu obufanayo, akukho burr, kwaye ubukhulu begalvanized layer abukho ngaphantsi kwe60um. Yimveliso yefektri, kunye nokudibanisa kwisiza. Ikholamu yesakhiwo esiphambili idityaniswe kwisiseko sentsimbi esenziwe ngaphambili; ukongeza kwinani elincinci lokufakelwa, ezinye izixhobo zokudityaniswa kwesakhiwo se-greenhouse zifakwe ngokuthe ngqo ngee-screws okanye i-Self-drilling kunye ne-tapping screws.