Nanjing Sanderay Environmental Technology Co., LTD is located at Nanjing in East China Company is specialized in developing and producing high quality Geosynthetic clay liners (GCL for brief) Standard workshop and testing procedure. Our geosynthetic clay liners are kept improving in quality and diversification to match different projects in worldwide area. Products can meet different requirements with ASTM standard and ENISO standard in America and Europe area. We have several patents for the GCL in China and mainly export to Europe, South America and Australia. Some famous construction companies build long term strategic relationship with us. We are their nominated production base in China. We developed the latest the technology in GCL and enlarge the application scope in more complex environment such as polluted and high salty area. our agent in Europe attains CE quality system. We are continuously solving technical and applying problem together with our clients.
Easier handling
We treat it with heart · Hassle-free cooperation

We have high efficient GCL production equipment and skilled production staff. Customized production, integral inspection and testing procedure ensure the quality assurance. We can meet ASTMD standard and EU standard. Our production capacity is two million square meters per year

Our GCL has many special characteristics. We choose superior quality supplier for our raw materials. Every supplier should be examined timely for ensure our raw material is in top quality and stable. They should be inspected to be competent to provide the qualified material by us every year. We pay attention the durable performance of all raw material.

ISO9001:2015 quality management system certified by BV, and our agent in Europe attains CE quality system. We are continuously solving technical and applying problem together with our clients

For specific project, we provide our clients completed installation manual for reference. Make our products correctly applied in projects and achieve idea effects. We not only provide qualified products but also integral solution
With thoughtful service, win the trust and satisfaction of our customers









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