Meet customer requirements with technological innovation, high-quality products, excellent services, and continuous improvement. 1. Our company strictly follows the regulations of ISO9001, API SPEC Q1 and AZ safety certification to keep products under control from the entire process of design, material procurement, manufacturing, inspection, packaging and shipping, and after-sales service. 2. Our company guarantees that the products provided are the most advanced in design, mature and have the most reasonable structure, and that the materials and parts selected are brand new, unused, high-quality, and there are no defects that affect product performance. 3. Our company strictly follows the provisions of the contract technical documents, carefully organizes, manufactures, and inspects, and strictly controls quality so that all performance of the products meets or exceeds the contract technical requirements. 4. Our company will provide technical consultation and relevant technical information to users and design departments at any time. 5. The shelf life of our company's products is 12 months after the products are put into operation. During this period, if the product is damaged and cannot work normally due to poor quality, it will be replaced and repaired for the user free of charge, and will be responsible for the personal and property losses caused to the user.