Procurement Instructions for Waterproof Geomembrane: 1. Material of Waterproof Geomembrane: Waterproof geomembranes are made from materials such as Low-Density Polyethylene (LDPE), Polyethylene (PE), High-Density Polyethylene (HDPE), and Ethylene/Vinyl Acetate Copolymer (EVA). When procuring waterproof geomembranes, you first need to know what material the geomembrane is made of. 2. Quality Standards of Waterproof Geomembrane: The quality of waterproof geomembranes has a standard for each unit area, that is, per square meter. The quality of waterproof geomembranes is categorized into ordinary types and national standard types. When procuring waterproof geomembranes, you need to understand the standards required for the geomembrane you need. 3. Specifications of Waterproof Geomembrane: Waterproof geomembranes generally come in two cloths and one membrane, one cloth and one membrane, or PE membrane. The specifications of waterproof geomembranes include the color, width, roll formation, outer packaging, and unit area mass of the geomembrane. When procuring waterproof geomembranes, you should comprehensively inquire about the specifications to ensure they meet your material requirements. 4. Price of Waterproof Geomembrane: The price of waterproof geomembranes is important in the procurement process. You need to compare quality at the same price and compare price at the same quality. There should not be significant differences between the samples and the products of waterproof geomembranes. 5. Procurement Contract for Waterproof Geomembrane: When you are about to reach a procurement agreement with the manufacturer of waterproof geomembranes, signing a procurement contract serves as a written basis to bind both parties and regulate their procurement and sales behavior. The contract should specify the quality of the waterproof geomembrane, delivery time, payment settlement, and details about the installation and welding of the geomembrane.