All products of the company are sold to the user for one year. During this period, all parts are replaced due to quality problems, all of which are borne by the company; all expenses of technical service are borne by our company, and equipment parts are replaced after one year. Cost, free service charge, lifetime supply of accessories, lifetime free service. Second, the company's service to users is divided into three parts, namely, pre-sale, sale, and after-sales. 1. Pre-sales service: After the supplier and the buyer sign the contract for the purchase and sale, the supplier will send the professional engineer to the buyer to set up, design, and assist the equipment, equipment, equipment, etc. in the production workshop. The pre-work of the installation is done well. 2. In-sale service: When the supplier's equipment manufacturing is still 7 days away from the delivery date, the buyer is required to send 2-3 professional and technical personnel for training, to the supplier's production workshop to learn the structure, assembly and maintenance of the relevant equipment. Operation and product process formula, technology, etc., until the supplier produces qualified products, pre-acceptance work, shipment and delivery. 3. After-sales service: After the supplier equipment arrives at the demander, it will dispatch professional engineers to the buyer for installation and commissioning within three days, until the qualified products are produced. If the demand-side technology needs help, the service personnel can be negotiated. Time, or uninterrupted dispatch of engineers to track quality technology until it is functioning properly.