Guangzhou Lijin Trading Co.,Ltd is located in the "millennium business capital "-Guangzhou.since its establishment, our company has been working hard to participate in and promote the development of aluminum windows and doors ,curtain wall and upvc windows and doors industry.through 20 years of efforts, we have formed a reliable and complete products supply system. the following products can provides with various types and specifications.. hardware for windows and doors . rubber seal strip, wool weather strip, silicon sealant and others accessory for windows and doors . aluminum profile . upvc profile . the machine for made windows and doors . the finished windows and doors our advantagesthe quality of our products are all in the leading position of the industry . beautiful design, reliable and durable .and now we have exported to many countries ,like south and east asia , middle -east , new zealand , australia ,canada,africa and so on.also we can provide strong technical supports for every products, help you to solve any problems .our technical service start before sales, can provide you with a reasonable plan.we have a complete category , one- stop solution to all your need and problems.your supplier , your engineer, your quality inspector, your partner!