The picture shown is relay coil bodies for automobiles.
The product is, in which a relay coil and a body that holds a card and a terminal are joint together.
Also, by joining with a case, it prevents dust from invading.

For automobile parts, it is very important to have contamination prevention.
However, because there are countless possible ways for foreign substance to contaminate the products, burrs on molded products and gate dust occur during the molding leading to contamination, it is impossible to prevent contamination completely even the clean room is used effectively.

Due to such reasoning, to have perfect contamination prevention, it is must have strict quality control while having high-precision mold assembling techniques, mold management and mold maintenance techniques.

Please consult us, hakkai, for any automobile parts.