I am very pleased to introduce ALFA system windows & door Co., Ltd. to you. 1. Establishment and management policyOur company manufactures various windows and doors such as AL-curtain wall windows, U-PVC system windows and doors, AL-insulation windows and doors and will do its best with the motto of customers' satisfaction with the best quality. 2. Technology possession Our company has know-how of methods of stick-wall construction and unit-wall construction and so on that are general in method of curtain-wall construction, introduced production facilities of AL-insulation windows and doors and manufactures all the products directly. In addition, We registered our company as an innobiz and women's company, acquired the certification of exclusive department of R&D based on endless R&D and established the perfect system from design to construction through the management system such as design, manufacturing, construction and so on acquiring ISO-9001, quality management system.