ag真人手机版下载 Shandong Zhongsen Science and Technology Co., Ltd. is a private enterprise mainly engaged in research and development，producing and sales of energy saving materials. It’s main production includes cement grinding aids, coal saving agent and concrete admixture. It’s trademark of " Zhongsen " is awarded "Shandong famous brand" by Shandong Industrial and Commercial Bureau. The " Zhongsen "brand cement grinding aids is rated as "Shandong Famous Brand" by Shandong Provincial Quality and Technology Supervision Bureau, and has passed ISO9001 quality certification. With the development of the company, its business covers real estate, warehousing and logistics field.
ag真人手机版下载 Shandong Zhongsen Science and Technology Co., Ltd.