Technical support: to provide technical seminars, design selection, acceptance criteria, installation and maintenance, such as pre-sale, sale, after-sale technical support;
Service guarantee: within 24 hours from the date of receipt of customer demand response, and according to the agreement between the two sides, in the case of product costs borne by the supplier;
Quality assurance: 18 months from the date of shipment or 12 months from the date of use, first prevail, in the case of product costs borne by the supplier.