About us

NINGBO XIYUN NEW POLYMERIC MATERIALS Co. Ltd. (Former NINGBO SHANQUAN BREATHABLE MEMBRANE Co.,Ltd.) is the leading manufacturer of breathable membrane in China, located in Yuyao city (Close to Ningbo port), plant area about 10,000sqm, annual capacity over 60million sqm.

SHANQUAN / XIYUN devotes to develop and produce high quality breathable membrane products. We own 7 patents for inventions. Our products were tested according to EN13859-1 standard for CE in European laboratories. Meanwhile our products also were tested (By our customers) according to BBA in UK, ICC-ES (ASTM) in USA and CCMC approved in Canada.

“BREAWARFTM” Breathable Membrane is our main product. It’s a waterproof membrane meanwhile it allows water vapor to pass through. It' great prevent against the ingress of wind-blown rain or snow when used as pitched roof underlay or house wrap.
We also produce Spun-bond PP non-woven fabric. It’s widely used in construction, medical, industrial, agricultural, textile and other fields.

We sincerely hope to establish friendly, long-term business partnerships with our customers.