Protection and coating equipment: the internal and external surfaces of pipe blowing muffler equipment shall be kept clean. The bidder must provide specific protection measures for the supplied equipment during bidding for the buyer's approval and be responsible for its work. The paint surface should be smooth without wrinkles and peeling off. All equipment shall be reasonably and effectively packed to prevent moisture, heat, peeling, corrosion, deformation and other damages. Unpainted and easily worn parts shall be coated with high melting point acid proof oil or other protective grease for protection, and fixed after packaging. All openings of pipe muffler device shall be sealed and protected to prevent foreign substances from entering during transportation and treatment. Motors, controllers, etc. should be protected. There shall be product certificate (including unit certificate, parts certificate, material certificate, etc.), product specification, packing list, vulnerable parts list and special tools list, a set of approved drawings and relevant technical documents. The quantity, equipment name, number, lifting position, warning sign, overall dimension and gross weight shall be indicated on the outer package. Please write in Chinese or English, the Chinese version shall prevail. The seller is responsible for the whole delivery process of the equipment, including transportation, loading and unloading and safety measures. The documents and materials carried with the packing box shall be sealed against moisture and placed in a conspicuous place in the box. Arrival acceptance: the Seller shall send personnel to carry out the arrival acceptance when the supplied equipment arrives at the site. If any damage and quality problems are found, the Seller shall be responsible for replacing the equipment (parts), air conditioning muffler and properly handling them until the buyer is satisfied. All costs of this operation shall be borne by the seller.

The buyer shall assist in solving the storage warehouse on the project site, but the Seller shall put forward the requirements for equipment storage in advance.