Quality Control

1: raw materials tandard control 2: quality control over semi-finished 3: porosity control over semi-finished products 4: loading method control 5: sintering parameters control 6: finished products sorting Certifications Standard:ISO9001:2008 Number:02412Q2010021ROM Issue Date:2015-03-24 Expiry Date:2018-03-23 Scope/Range:Refractory Materials Issued By:Guangdong Zhongjian Certification Co.,Ltd Standard:Export Read More

About RongSheng Keln

Zhengzhou Rongsheng Kiln Refractory Co., Ltd. Zhengzhou Rongsheng Refractory Material Co., Ltd. is located in the hinterland of Central Plains, at the foot of Songshan Mountain, and adjacent to Zhengshao Highway, Longhai and Jingguang railways. The convenient transportation, abundant resources Read More