Xinya hair products co., ltd provides the best quality of hair. the products such as weaving hair , pre-bonded hair, wigs, bulk hair are very popular in different countries due to the good quality and competitive price. since 7 years it had a wide experience in hair maketing. about the finished products of human hair weaving , bulk hair and glue pre-bonded hair , we make sure that they will not tie a knot ,or rough after we sold you within one year , even you repeatedly wear and wash them !