Ma Pin Nangula a Precast Concrete Formwork System
Nangula ya pini yonyamulira, yomwe imadziwikanso kuti fupa la galu, imayikidwa makamaka pakhoma la konkire lopangidwa kuti linyamuke mosavuta. Poyerekeza ndi kukwezera waya wachitsulo kwachikhalidwe, anangula okweza mapini amagwiritsidwa ntchito kwambiri ku Europe, America, ndi Asia chifukwa chachuma chawo, liwiro, komanso kupulumutsa mtengo wantchito.