Providing first-class products and services for the Environmentally friendly building materials industry in China and the world. Actively progressing and pursuing excellence to make Shanghai Seven Trust Company a leading enterprise in the industry.

Service concept

Low carbon-consuming, sincere service, healthy life

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

Service Commitment

Reply within 24 hours and solutions to be offered to customer within 48 hours


Custom service

Custom services to be offered according to special requirements from different customers, such as sample master production, drawing production.

High quality with various standard regulations

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.

Professional Technical Team

Free design and installation offered. Currently there are 5 professional designers and hundreds of installation service team, offering A-Z service to all customers.

Callback policy

Due to the recyclable character of wood-plastic products, we claim here that all products from us can join the callback policy.