久久亚洲精品视频免_无码精品一级二级_国产a一级a一片精品_亚洲国产精品一区第一页

News

News

Donghai Silica Powder Held 2014 Factory Celebration Activities

2014.04.30

Donghai Silica Powder organized factory celebration activities on April 21 - 28, 2014. The representative teams fully exerted the sportsmanship of friendship first, competition second and participation in the fierce competition. The factory celebration activities include tug-of-war, running, bicycle slow riding, ring-toss, relay and triad basketball.