1, price: whether the manufacturer direct sales, can greatly reduce the middle of the agency fee, saving money;
2, equipment performance: the site of the equipment speed, accuracy, stability and other aspects of the test record of the data done;
3, after-sales service: service time, terms of service, service mode whether to reassure the user, satisfaction;
4, the manufacturer's reputation: the market has used the voice of the user's real response, can help avoid buying a poor industrial 3d printer.