Joinwins is an modern integration specialized in designing, research, manufacturing, sales and service of a series of products including "Basswood Shutters,Waterproof PVC Shutters,BasswoodMix Shutters,Exterior Aluminum Shutters". Located in Shanghai city，which is one of the most prosperous and modern city in the world.

  At Joinwins, you not only get the quality products,you will benefit more from our win- win cooperation attitude.All our products are produced in accordance with international standards,and we take service as our first priority to build a custom oriented system.

  “BETTER QUALITY,BETTER SERVICE” is the policy for Joinwins.And we will keep working harder and better under this principle.

  We cordially welcome clients from all of the world to join us, build friendly and constructive business cooperation with us for mutual achievement and common development.