We know that valve procurement has to go through many links, but the key link to ensure quality lies in the procurement department's technical requirements for procurement, which is an important link. With the construction of domestic engineering projects, valve manufacturing units will also through unremitting efforts, development and growth, there will still be many problems and contradictions between construction units and manufacturing units, the urgent need for joint research, efforts, in solving problems and contradictions in the common forward.
1. procurement model
(1) The lowest bid winning model. Whether domestic construction units or foreign construction units, want to get the best products at the least cost, which causes the valve manufacturing units to take at a loss to ensure that the winning practices and strategies. However, in the valve bidding process, the valve manufacturing units using this "loss" bidding, mostly through the "shoddy" to reduce costs, and then gain profits, the cost of doing so caused the loss of corporate integrity, but also often become a "one-shot deal". Many valve manufacturing units feel very aggrieved and often complain about the irrationality of the "rules of the game". In this mode, such a low price, even the cost of the product is not enough, it is impossible to get the kind of quality products required in the tender. For this kind of statement, this kind of complaint, can understand, can sympathize, but can not fully agree. At present, many of the key parts of the domestic petrochemical plant and coal chemical plant, although the key valves are ordinary valves, but began to tend to use imported valves, and this tendency was "rising" and "expanding" trend, which can not be said that the domestic valve manufacturing units of a sad, but also will be some valve manufacturing units forced to "dead". In fact, this is not the domestic enterprise "fratricidal" consequences? Of course, from another point of view, the survival of the fittest this timeless principle will also make some other keep the integrity, to live the quality of the valve manufacturing unit everlasting.
(2) Discussion of the "price by quality" winning model. For the procurement strategy of "price by quality" mode of valve, usually a small part of advance payment is paid in advance, which is assessed according to the service life and quality of the valve, and the balance is paid year by year according to the assessment results, which accounts for more than 50% of the total price of the whole order. This mode is suitable for valve manufacturing units with strong financial strength, but for most small and medium-sized valve manufacturing units in China, this model has seriously affected the rate of capital return and the security of the capital chain, and is also one of the main reasons why it is unacceptable.
(3) "Framework procurement" model. "Framework procurement" mode may be the most desirable way for all valve manufacturing units, but this procurement mode is hardly used by construction units. The reason is simple. Most of the valves required by industrial devices do not belong to the "high, fine and sharp" type. Only the key parts of some devices need "high, fine and sharp" valves, and the number is limited, therefore, construction units generally do not use the "framework procurement" model for procurement.
2. valve quality requirements
No matter what kind of procurement model, construction units, valve manufacturing units have a common desire, that is, "maximize the benefits". As a construction unit, we always hope to obtain the most suitable product at the lowest cost, that is, the most cost-effective product. In the bidding process, all valves will be proposed composition requirements, structural specifications, quality inspection requirements and transportation requirements, these requirements are sometimes relatively high, but also seems to be very stringent.
Valve procurement, the buyer should put forward detailed environmental and technical requirements of the valve, the supplier in accordance with the requirements of the buyer in the valve production of several major links, carefully check, to make customer satisfaction of the valve products. The buyer shall strictly control the quality acceptance of the supplier's valves according to the procurement technical conditions, and communicate with the supplier in time in the main process of procurement, so as to obtain reliable and stable valve products to meet the use requirements.

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