国产av天堂,精品久久久久久久久中文字幕,国语自产少妇精品视频

中國制造業細分行業隱形冠軍

Invisible champion of China's manufacturing sub-sectors

全國企業文化優秀成果一等獎

First prize of national outstanding achievements in corporate culture

中國兵器工業集團集團級優選供應商

China Ordnance Industry Group Group-level Preferred Supplier

清洗劑行業國家標準起草單位

Drafting unit of national standards for cleaning agents

中國工程機械首選供應商百強

Top 100 preferred suppliers of construction machinery in China

軸承工藝配套“十三五”時期優秀供應商

Excellent suppliers of bearing technology during the 13th Five-Year Plan period

江蘇省認定企業技術中心

Jiangsu province rending corporation technology center

江蘇省綠色工廠

Green factory of Jiangsu province