Add: No. 3, Taiyuan Road, Jingbin Industrial Park, Wuqing District, Tianjin City
Tel: 022-22198591
Fax: 022-22198590
E-mail: jh3531@yeah.net
URL：shishizhengzhi.cn
Our company has passed the ISO 9001 quality system certification.
Our company has passed the ISO 14001 environmental system certification.
Our company has passed ISO 4633 product certification of BV Company of France.
Product acquisition the SGS quality system certification of Norway.
The product has passed the British hygiene test and the Tianjin Municipal Department of Health test, and conforms to the European drinking water standard and the national drinking water standard.
The product has passed the quality inspection of the National Rubber Sealing Products Testing Center, which conforms to international standards and national standards.
The product has passed the life test of the National Rubber Sealing Products Testing Center, which meets the matching requirements of xinxing-pipes.
