久久亚洲人成网站,伊人色合天天久久综合网,产精品无码久久_亚洲国产精,久碰人妻人妻人妻人妻人掠

肉色超薄丝袜脚交一区二区,久久久久99精品国产片
Lanling
Engineering Technology Center
Home Engineering Technology Center Cooperation and Exchange
Cooperation and Exchange

Qain Borong, the chief engineer of CNOOC Changzhou Institute of Coatings Chemical Research, visited our company for coating technology exchange

The German coating experts visited our company for coating technology exchange

The well-known coating experts visited our company for technical training

Xu Xueyan, the senior fellow and marine coatings expert of the Chinese Academy of Sciences visited our company for technical exchanges

The "Polyurea Coating Research Project" team of Beijing University of Chemical Technology visited our company for cooperation in research and development.
Designed by Zhonghuan Internet  Copyright ? 2018 Jiangsu Lanling Chemical Group Co., Ltd. All Rights Reserved.