A na-eme 1.Body nke elu carbon structural steel, nkedo nkenke ma ghọọ, kwesịrị ekwesị maka gburugburu ebe ọ bụla.

2. Ọrụ na-ezighị ezi absorption nke Germany elu technology ka mma valvụ aka uwe Ọdịdị, njikọ na-n'ụzọ zuru ezu gbochiri Ọdịdị, ọdịdị dịghị riveting, akara ọzọ pụrụ ịdabere na.

3. Azuokokoosisi họrọ mma alloy quenched na tempered steels, elu spraying ike, inogide.

4. Standard fasteners na-niile mere nke igwe anaghị agba nchara ihe 304,316,316L

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