每天被大佬高HPLAY肉NP,国产精品VⅠDEOXXXX国产,人妻巨大乳HD免费看,不让我断奶他天早上要吃奶

NEWS INDEX-NEWS

Matters needing attention in purchasing buried integrated sewage

DSC07720.JPG

Usually, there are two types of materials used in buried equipment: FRP and carbon steel. When purchasing equipment, it is necessary to know the materials used by suppliers. When the process and other conditions are the same, the different prices of materials will vary greatly.

All the facts, no matter how well the supplier introduces the superior performance of the equipment to you, should ask the supplier to provide the previous successful cases, and then send someone to the field to inspect the sewage treatment effect. Although it may delay part of the time, this is really crucial.

Agreed water discharge standard

Many units in the purchase of buried sewage treatment equipment for sewage treatment standards are not specified in the contract, in the latter environmental requirements to improve the premise, will lead to disputes. Because of the different degree of treatment, the cost of sewage treatment will be very different.

Before purchase, compare, sign the contract and specify the payment process.

Select several suppliers for reference, and then make a comprehensive comparison of the factors such as technology, success stories, prices and so on.

A formal contract is signed before payment is made, and the delivery, commissioning and payment process is stipulated.

板桥市| 徐水县| 犍为县| 辉南县| 浦东新区| 射洪县| 扎赉特旗| 庆安县| 西林县| 武邑县| 松潘县| 柳林县| 拜城县| 三原县| 太保市| 罗江县| 闽侯县| 富民县| 卓尼县| 封丘县| 天门市| 金秀| 缙云县| 安仁县| 凌海市| 武安市| 盐津县| 鹿邑县| 靖安县| 宁波市| 乐东| 岳西县| 陆良县| 家居| 罗源县| 新郑市| 柯坪县| 昭平县| 鄂州市| 阿图什市| 平顺县|