黄色电影免费在线观看无码|国语对白免费Av|激情成人日韩色情|真人免费一级特一黄一片|日韩无码AV电影|欧洲亚洲自拍淫片aaaaa|亚洲精品无码一区二区三网|黄色一级电影免费|亚洲AV成人AV|欧美爱爱网站大奶A

On 1stApril, 2017, Tianjin Shidai Tiancheng Environmental Tech Co., Ltd and China Water Industry Group Limited signed cooperation agreement for development overseas project. Base on trust, two sides decided to join forces to work together on the waste disposal project in Guinea and Ghana, starting from the long term development strategy. Two sides in spirt of “mutual benefit, stability, constant, efficient and high quality” cooperation, with excellent corporate philosophy and engaged in the professionalism of industry as the basis, two sides are friendly strategic cooperative relations.