Shanghai YY Construction Co., Ltd.was established in 1999,and Hairun house is our head office,and our co***ny specialized in manufacturing doors and windows made of Aluminum profile & PVC profiles and PVC Fence, also we have our own production line for our own PVC profile with 20 line, and in order to meet the demanding of the market, and now we have researched the new products such as the plastic door ad Cabinet door, sun house and other special house products.
And glad that we have set up a new wo...
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