公gong司si主zhu營ying銷xiao售shou加jia固gu材cai料liao，灌guan漿jiang材cai料liao，混hun凝ning土tu外wai加jia劑ji
，裝zhuang飾shi材cai料liao，防fang水shui保bao溫wen材cai料liao
，建jian材cai結jie構gou膠jiao，防fang腐fu阻zu鏽xiu材cai料liao，混hun凝ning土tu缺que陷xian材cai料liao，建jian築zhu材cai料liao添tian加jia劑ji。