sanjing 中文意思是什麼
sanjing
解釋
三井-
Yongjiaxian sanjing valve co., ltd is situated on oubei, yongjia, a town given the prestigious name of " hometown of pump and valve in china ", we are a specialized valve manufacturer integrating development, production, installation, sales and service
絲扣閥門始終如一致力於依靠科技，不斷創新，努力開發各種「三精"牌系列產品，能按照各類標準、各類材料、各種驅動形式的標準設計生產各種優質閥門。
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