3. Nylon material is resistant to acid, alkali and ultraviolet rays, and has passed strict aging test - Shanghai Dongfeng Pump Valve Factory - 上海花千坊_上海龙凤花坛_夜上海最新论坛

3. Nylon material is resistant to acid, alkali and ultraviolet rays, and has undergone strict aging test

3. Nylon material is acid and alkali resistant and UV resistant, and has passed strict aging test, with excellent quality
4. Spherical cast iron body is hot-dip galvanized with good weather resistance
5. Special structural design, height can be adjusted according to actual needs

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