Hangzhou WanYun Precision Cold-drawn Steel Pipe Co.,Ltd is a manufacturer, specialized in producing cold-drawn seamless steel pipes and bearing seamless steel pipe. Our products can be used in inner and outer rings for all kinds of bearings, construction, fluid conveyance, high / medium / low pressure boiler, ect.
We can supply GB, ASME, JIS, DIN, EN series seamless steel pipe. Based on professional technique and excellent quality, our products have been sold to global market .We sincerely hope to cooperate with enterprises from all over the world.
If you want to know more about our company and our products, please wisit our web: http://chonggang.en.alibaba.com.

Unit State
South American
Sourth Asia
Europe
East and sourth Asia
Africa
Middle East

ISO9001-2000
TUV
PED
API