CHANGZHOU HAIRUN have been a manufactuer on PVC profiles since 1999 year and with the production capacity of 60 Ton per day,
and we have a good saling in Russia, india and so on.
With the market requirement, we set up a assemble line in Shanghai on 2005 year for the PVC DOOR & WINDOWS assembling.
With the design of casement, sliding, hung and folding and so on, which are 100% exporting,  and in order to improve our quality,
we import the advance machine, like 4-poinit welding, auto-clearing and so on as the pic attached. And our prducts have pass the testing of AS2047.
We also have cooperated with the German brand hardware, like the ROTO and Siegenia and so on. For the glass, we used are with LISEC brand.
We have the confidence on our quality and weclome to visit us and we will be glad to show you our products then.
Any problem, pls feel free to contact us at any time.
At last, sincerely looking foward to hearing from you soon.