1 必需选用优质、节能、先进的产品，并有消费答应证及生 产检验合格证。严禁采用国度发布的淘汰产品。
2 用户对外购的部件及资料 停止检验，并对其质量、性能担任。
5 叶轮、轴材质为 Cr15Mo3。 标准、规范和性能保证 标准、规范和性能保证
6 设备的设计和制造，应契合现行运用的国度有关规范和原部颁规范，不应 低于以下规范和标准。
立式渣浆泵User's Notes on External Purchase of Vertical Slurry Pump Parts for Chengyue Pump Industry:
1 must select high-quality, energy-saving, advanced products, and have a consumer permit and production inspection certificate. It is strictly forbidden to adopt obsolete products issued by the state.
2. Users stop checking the parts and materials purchased, and assume responsibility for their quality and performance.
3. Set up sewage discharge installation and protection net for easy replacement and maintenance, and avoid foreign body entering Party B.
4. The equipment has anticorrosive function. The material of impeller and shaft is Cr15Mo3. Standards, specifications and performance assurance standards, specifications and performance assurance standards for the design and manufacture of 6 equipment shall conform to the relevant national and original specifications currently in use and shall not be lower than the following specifications and standards.