Service Spirits

Care for the detail, quality control for the subtle. Every calling from customer is the help for us to get some improvements and we will sincerely accept every client's feedback and solve the problem.

Service Guarantee

Environmental product offering, professionally installation, all-around service, one-year free repair and a life-time maintenance, shanghai Seven Trust worthy of your trust.

Custom service

Custom services to be offered according to special requirements from different customers, such as sample master production, drawing production. We guarantee to meet all your needs.

High quality

All products to be ensured satisfying State wood-plastic industry standards. Meanwhile, according to the characteristics of the products, special enterprise standards are specially made.