 Due to the needs of various metal parts for industries, metal
casting process was invented. We could make metal castings with
different materials and structures. Normally, we could divide
the casting process into investment casting and sand casting.
Investment casting is mainly adopted in small precision metal
parts. However, sand casting is mostly for larger parts.
In China, many casting foundries are built, among them, mostly
are investment casting foundry. To investment casting
purchasers, it is most important and difficult to choose good
supplier at the beginning, even if they could find many supplier
for pricing comparison. If the price is low, they may worry
about the quality. For high price, the budget may be not enough.
Today we would like to discuss how to find a good investment
casting supplier in China.
1) In most cases, cooperating with an investment casting
supplier starts from quotation. After getting prices from
different suppliers, the purchaser needs to see whether the
quotations are within their budgets. If yes, then compare which
price is low at the basis of good quality. And further
communicate with the suppliers they are satisfied.
2) If the project is very large, then purchasing company could
arrange a visit to one to two suppliers to see their scale and
production capacity. This is the most direct way to check the
strength of a supplier.
3) If visiting is not available at this moment, then they could
assess an investment casting supplier by some technical
questions during email or call communication, to see whether
they are professional. Like how to avoid investment casting
defects during production and delivery process, how to ensure
the delivery time, which investment casting process is more
suitable according to the size of investment castings, which
material specification is more better, ect. All these questions
will show an investment casting supplier's capacity.
4) Besides, delivery time is also important, the purchaser need
to confirm the lead time with the investment casting supplier
before placing orders. And how will they ensure the lead time.
5) At last, it is better for investment casting purchaser to
have a brief understand on the investment casting material
market. Then you would know the round cost by manufacturing
investment castings.
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