Horizontal aluminium casement window/double glazed windows and doors on China WDMACompany Profile Zhejiang Gaoming Group Co., Ltd is located in Hangzhou City, Zhejiang Province. We are a science and technology enterprise, which is engaged in R & D production of safety, energy saving,environmental protection, intelligent building materials. Our main products: Glass curtain wall, glass windows and doors,glass house, glass skylight, glass stair & blastrade,etc. Also building glass includes tempered glass, insulated glass, laminated